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Read Carefully
1 Calculators may NOT be used in this paper.
2 Full credit will be given only where the solution contains appropriate working.
3 Answers obtained by readings from scale drawings will not receive any credit.
©
X100/301
N A T I O N A L T U E S D A Y , 1 5 M A Y
Q U A L I F I C A T I O N S 9 . 0 0 A M – 1 0 . 1 0 A M
2 0 0 7
MATHEMATICS
HIGHER
Units 1, 2 and 3
Paper 1
(Non-calculator)
LI X100/301 6/27370 *X100/301*
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page two[X100/301]
a1
a2
a3
b1
b2
b3
and b = .
2 2
.+ −g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
ALL questions should be attempted.
1. Find the equation of the line through the point (–1, 4) which is parallel to the
line with equation 3x – y + 2 = 0.
2. Relative to a suitable coordinate system
A and B are the points (–2, 1, –1) and
(1, 3, 2) respectively.
A, B and C are collinear points and C is
positioned such that BC = 2AB.
Find the coordinates of C.
3. Functions f and g, defined on suitable domains, are given by f(x) = x2
+ 1 and
g(x) = 1 – 2x.
Find:
(a) g(f(x));
(b) g(g(x)).
4. Find the range of values of k such that the equation kx2
– x – 1 = 0 has no real
roots.
5. The large circle has equation
x2
+ y2
– 14x – 16y + 77 = 0.
Three congruent circles with
centres A, B and C are drawn
inside the large circle with the
centres lying on a line parallel
to the x-axis.
This pattern is continued, as
shown in the diagram.
Find the equation of the circle
with centre D.
Page three
Marks
3
4
2
2
4
5
[X100/301]
[Turn over
A
B
C
y
O
A B C D
x
6. Solve the equation sin 2x ° = 6cos x ° for 0 ≤ x ≤ 360.
7. A sequence is defined by the recurrence relation
(a) Calculate the values of u1, u2 and u3.
Four terms of this sequence, u1, u2, u3
and u4 are plotted as shown in the graph.
As n → ∞, the points on the graph
approach the line un = k, where k is the
limit of this sequence.
(b) (i) Give a reason why this sequence
has a limit.
(ii) Find the exact value of k.
8. The diagram shows a sketch of the graph
of y = x3
– 4x2
+ x + 6.
(a) Show that the graph cuts the x-axis
at (3, 0).
(b) Hence or otherwise find the
coordinates of A.
(c) Find the shaded area.
9. A function f is defined by the formula f(x) = 3x – x3
.
(a) Find the exact values where the graph of y = f(x) meets the x- and y-axes.
(b) Find the coordinates of the stationary points of the function and
determine their nature.
(c) Sketch the graph of y = f(x).
Page four
Marks
4
3
3
1
3
5
2
7
1
[X100/301]
1 0
1 16, 0.
4n nu u u+ = + =
un
k
n1 2 3 4
un = k
xO A B
y
10. Given that
11. (a) Express f(x) = cos x + sin x in the form kcos (x – a), where k > 0 and
0 < a <
(b) Hence or otherwise sketch the graph of y = f(x) in the interval 0 ≤ x ≤ 2π.
[END OF QUESTION PAPER]
Page five
Marks
3
4
4
[X100/301]
2
3 2, find .
dy
y x
dx
= +
3
.
2
π
[BLANK PAGE]
[BLANK PAGE]
[BLANK PAGE]
Read Carefully
1 Calculators may be used in this paper.
2 Full credit will be given only where the solution contains appropriate working.
3 Answers obtained by readings from scale drawings will not receive any credit.
©
X100/303
N A T I O N A L T U E S D A Y , 1 5 M A Y
Q U A L I F I C A T I O N S 1 0 . 3 0 A M – 1 2 . 0 0 N O O N
2 0 0 7
MATHEMATICS
HIGHER
Units 1, 2 and 3
Paper 2
LI X100/303 6/27370 *X100/303*
Page two[X100/303]
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
a1
a2
a3
b1
b2
b3
and b = .
2 2
.+ −g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
ALL questions should be attempted.
1. OABCDEFG is a cube with side 2 units,
as shown in the diagram.
B has coordinates (2, 2, 0).
P is the centre of face OCGD and Q is
the centre of face CBFG.
(a) Write down the coordinates of G.
(b) Find p and q, the position vectors of points P and Q.
(c) Find the size of angle POQ.
2. The diagram shows two right-angled
triangles with angles c and d marked as
shown.
(a) Find the exact value of sin (c + d).
(b) (i) Find the exact value of sin 2c.
(ii) Show that cos 2d has the same exact value.
3. Show that the line with equation y = 6 – 2x is a tangent to the circle with
equation x2
+ y2
+ 6x – 4y – 7 = 0 and find the coordinates of the point of
contact of the tangent and the circle.
4. The diagram shows part of the graph of
a function whose equation is of the form
y = asin (bx °) + c.
(a) Write down the values of a, b and c.
(b) Determine the exact value of the
x-coordinate of P, the point where
the graph intersects the x-axis as
shown in the diagram.
Page three
Marks
1
2
5
4
4
6
3
3
[X100/303]
[Turn over
A
B (2, 2, 0)
D
G F
E
O
z
x
y
P
C
Q
c
2 3
1
d
y
1
–1
–2
–3
O
60 ° 120 °
P x
5. A circle centre C is situated so that it touches
the parabola with equation at
P and Q.
(a) The gradient of the tangent to the
parabola at Q is 4. Find the coordinates
of Q.
(b) Find the coordinates of P.
(c) Find the coordinates of C, the centre of
the circle.
6. A householder has a garden in the shape
of a right-angled isosceles triangle.
It is intended to put down a section of
rectangular wooden decking at the side
of the house, as shown in the diagram.
(a) (i) Find the exact value of ST.
(ii) Given that the breadth of the decking is x metres, show that the area
of the decking, A square metres, is given by
(b) Find the dimensions of the decking which maximises its area.
7. Find the value of
8. The curve with equation y = log3(x – 1) – 2.2, where x > 1, cuts the x-axis at
the point (a, 0).
Find the value of a.
Page four
Marks
5
2
2
3
5
4
4
[X100/303]
21
2
8 34y x x= − +
y
O
P Q
C
x
T
Side Wall
Decking
2
0
sin(4 1) .x dx+
∫
S
10 m
x m
10 m
2
10 2 2 .A x x= −( )
9. The diagram shows the graph of y = ax
, a > 1.
On separate diagrams, sketch the graphs of:
(a) y = a–x
;
(b) y = a1–x
.
10. The diagram shows the graphs of a cubic
function y = f(x) and its derived function
y = f′(x).
Both graphs pass through the point (0, 6).
The graph of y = f′(x) also passes through
the points (2, 0) and (4, 0).
(a) Given that f′(x) is of the form k(x – a)(x – b):
(i) write down the values of a and b;
(ii) find the value of k.
(b) Find the equation of the graph of the cubic function y = f(x).
11. Two variables x and y satisfy the equation y = 3 × 4x
.
(a) Find the value of a if (a, 6) lies on the graph with equation y = 3 × 4x
.
(b) If ( ) also lies on the graph, find b.
(c) A graph is drawn of log10y against x. Show that its equation will be of the
form log10y = Px + Q and state the gradient of this line.
[END OF QUESTION PAPER]
Page five
Marks
2
2
3
4
1
1
4
[X100/303]
y
1
(1, a)
y = ax
x
y
6
O
O
2 4 x
y = f(x)
y = f′(x)
1
2
, b−
[BLANK PAGE]
[BLANK PAGE]
[BLANK PAGE]
Read carefully
Calculators may NOT be used in this paper.
Section A – Questions 1–20 (40 marks)
Instructions for completion of Section A are given on page two.
For this section of the examination you must use an HB pencil.
Section B (30 marks)
1 Full credit will be given only where the solution contains appropriate working.
2 Answers obtained by readings from scale drawings will not receive any credit.
MATHEMATICS
HIGHER
Paper 1
(Non-calculator)
N A T I O N A L T U E S D A Y , 2 0 M A Y
Q U A L I F I C A T I O N S 9 . 0 0 A M – 1 0 . 3 0 A M
2 0 0 8
X100/301
©LI X100/301 6/27670 *X100/301*
Read carefully
1 Check that the answer sheet provided is for Mathematics Higher (Section A).
2 For this section of the examination you must use an HB pencil and, where necessary, an
eraser.
3 Check that the answer sheet you have been given has your name, date of birth, SCN
(Scottish Candidate Number) and Centre Name printed on it.
Do not change any of these details.
4 If any of this information is wrong, tell the Invigilator immediately.
5 If this information is correct, print your name and seat number in the boxes provided.
6 The answer to each question is either A, B, C or D. Decide what your answer is, then,
using your pencil, put a horizontal line in the space provided (see sample question
below).
7 There is only one correct answer to each question.
8 Rough working should not be done on your answer sheet.
9 At the end of the exam, put the answer sheet for Section A inside the front cover
of your answer book.
Sample Question
A curve has equation y = x3
– 4x.
What is the gradient at the point where x = 2?
A 8
B 1
C 0
D –4
The correct answer is A—8. The answer A has been clearly marked in pencil with a
horizontal line (see below).
Changing an answer
If you decide to change your answer, carefully erase your first answer and using your pencil,
fill in the answer you want. The answer below has been changed to D.
A B C D
A B C D
Page two[X100/301]
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page three
a1
a2
a3
b1
b2
b3
and b = .
+ −2 2
.g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
[X100/301]
[Turn over
SECTION A
ALL questions should be attempted.
1. A sequence is defined by the recurrence relation
un+1 = 0.3un + 6 with u10 = 10.
What is the value of u12?
A 6.6
B 7.8
C 8.7
D 9.6
2. The x-axis is a tangent to a circle with centre (–7, 6) as shown in the diagram.
What is the equation of the circle?
A (x + 7)2
+ (y – 6)2
= 1
B (x + 7)2
+ (y – 6)2
= 49
C (x – 7)2
+ (y + 6)2
= 36
D (x + 7)2
+ (y – 6)2
= 36
3. The vectors u = and v = are perpendicular.
What is the value of k?
A 0
B 3
C 4
D 5
Page four[X100/301]
y
O x
C(–7, 6)
a1
a2
a3
−
1
k a1
a2
a3
0
4
k
−1
Page five
4. A sequence is generated by the recurrence relation un+1 = 0.4un – 240.
What is the limit of this sequence as n → ∞ ?
A – 800
B – 400
C 200
D 400
5. The diagram shows a circle, centre (2, 5) and a tangent drawn at the point (7, 9).
What is the equation of this tangent?
A y – 9 = (x – 7)
B y + 9 = (x + 7)
C y – 7 = (x – 9)
D y + 9 = (x + 7)
[X100/301]
y
O
x
(2, 5)
(7, 9)
−
5
4
4
5
−
4
5
5
4
[Turn over
Page six
6. What is the solution of the equation ?
7. The diagram shows a line L; the angle between L and the positive direction of the
x-axis is 135°, as shown.
What is the gradient of line L?
[X100/301]
π
π
π
π
A
6
2
B
3
3
C
4
5
D
6
π
π− = ≤ ≤2sin 3 0 where
2
x x
y
O x
135°
L
−
−
−
1
A
2
3
B
2
C 1
1
D
2
−
1
2
−1
1
2
Page seven
8. The diagram shows part of the graph of a function with equation y = f(x).
Which of the following diagrams shows the graph with equation y = –f(x – 2)?
[X100/301]
y
O x
(0, 4)
(3, –3)
A y
O
x
(2, 4)
(5, –3)
C y
O
x
(3, 5)
(0, –2)
B y
O x
(1, 3)
(–2, –4)
D y
O x
(5, 3)
(2, –4)
[Turn over
Page eight
9. Given that , find an expression for sin(x + a).
10. Here are two statements about the roots of the equation x2
+ x + 1 = 0:
(1) the roots are equal;
(2) the roots are real.
Which of the following is true?
A Neither statement is correct.
B Only statement (1) is correct.
C Only statement (2) is correct.
D Both statements are correct.
11. E(–2, –1, 4), P(1, 5, 7) and F(7, 17, 13) are three collinear points.
P lies between E and F.
What is the ratio in which P divides EF?
A 1:1
B 1:2
C 1:4
D 1:6
3
A sin
5
4 3
B sin cos
5 5
3 4
C sin
5 5
2 3
D sin cos
5 5
x
x x
x
x x
+
+
−
−
[X100/301]
π
≤ ≤ =
3
0 and sin
2 5
a a
cosx
Page nine
12. In the diagram RSTU, VWXY represents a cuboid.
represents vector f, represents vector g and represents vector h.
Express in terms of f, g and h.
A
B
C
D
13. The diagram shows part of the graph of a quadratic function y = f(x).
The graph has an equation of the form y = k(x – a)(x – b).
What is the equation of the graph?
A y = 3(x – 1)(x – 4)
B y = 3(x + 1)(x + 4)
C y = 12(x – 1)(x – 4)
D y = 12(x + 1)(x + 4)
[X100/301]
SR ST SW
VT
W
XV
Y
R
U
T
S
gf
h
= + +VT f g h
= − +VT f g h
= − + −VT f g h
= − − +VT f g h
y
O x
12
1 4
y = f(x)
[Turn over
→
→
→
→ →
→
→
→
Page ten
14. (2x + 3) dx.
A –4cos (2x + 3) + c
B –2cos (2x + 3) + c
C 4cos (2x + 3) + c
D 8cos (2x + 3) + c
15. What is the derivative of (x3
+ 4)2
?
A (3x2
+ 4)2
B (x3
+ 4)3
C 6x2
(x3
+ 4)
D 2(3x2
+ 4)–1
16. 2x2
+ 4x + 7 is expressed in the form 2(x + p)2
+ q.
What is the value of q?
A 5
B 7
C 9
D 11
17. A function f is given by f(x) =
What is a suitable domain of f ?
A x ≥ 3
B x ≤ 3
C –3 ≤ x ≤ 3
D –9 ≤ x ≤ 9
[X100/301]
∫Find 4sin
1
3
2
9 .x−
18. Vectors p and q are such that |p| = 3, |q| = 4 and p.q = 10.
Find the value of q.(p + q).
A 0
B 14
C 26
D 28
19. The diagram shows part of the graph whose equation is of the form y = 2mx
.
What is the value of m?
A 2
B 3
C 8
D 18
20. The diagram shows part of the graph of y = log3(x – 4).
The point (q, 2) lies on the graph.
What is the value of q?
A 6
B 7
C 8
D 13
[END OF SECTION A]
Page eleven[X100/301]
y
x
(3, 54)
y
O x
y = log3(x – 4)
(q, 2)
(5, 0)
[Turn over for Section B on Page twelve
O
Page twelve
ALL questions should be attempted.
21. A function f is defined on the set of real numbers by f(x) = x3
– 3x + 2.
(a) Find the coordinates of the stationary points on the curve y = f(x) and
determine their nature.
(b) (i) Show that (x – 1) is a factor of x3
– 3x + 2.
(ii) Hence or otherwise factorise x3
– 3x + 2 fully.
(c) State the coordinates of the points where the curve with equation y = f(x)
meets both the axes and hence sketch the curve.
22. The diagram shows a sketch of the
curve with equation y = x3
– 6x2
+ 8x.
(a) Find the coordinates of the points
on the curve where the gradient of
the tangent is –1.
(b) The line y = 4 – x is a tangent to
this curve at a point A. Find the
coordinates of A.
23. Functions f, g and h are defined on suitable domains by
f(x) = x2
– x + 10, g(x) = 5 – x and h(x) = log2
x.
(a) Find expressions for h(f(x)) and h(g(x)).
(b) Hence solve h(f(x)) – h(g(x)) = 3.
Marks
6
5
4
5
2
3
5
y = x3
– 6x2
+ 8x
y
O
x
SECTION B
[END OF SECTION B]
[END OF QUESTION PAPER]
[X100/301]
Read Carefully
1 Calculators may be used in this paper.
2 Full credit will be given only where the solution contains appropriate working.
3 Answers obtained by readings from scale drawings will not receive any credit.
MATHEMATICS
HIGHER
Paper 2
N A T I O N A L T U E S D A Y , 2 0 M A Y
Q U A L I F I C A T I O N S 1 0 . 5 0 A M – 1 2 . 0 0 N O O N
2 0 0 8
X100/302
©LB X100/302 6/27670 *X100/302*
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page two
a1
a2
a3
b1
b2
b3
and b = .
+ −2 2
.g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
[X100/302]
Page three
ALL questions should be attempted.
1. The vertices of triangle ABC are
A(7, 9), B(–3, –1) and C(5, –5) as
shown in the diagram.
The broken line represents the
perpendicular bisector of BC.
(a) Show that the equation of the
perpendicular bisector of BC is
y = 2x – 5.
(b) Find the equation of the median
from C.
(c) Find the coordinates of the
point of intersection of the
perpendicular bisector of BC
and the median from C.
2. The diagram shows a cuboid
OABC, DEFG.
F is the point (8, 4, 6).
P divides AE in the ratio 2:1.
Q is the midpoint of CG.
(a) State the coordinates of P and Q.
(b) Write down the components of
(c) Find the size of angle QPA.
Marks
4
3
3
2
2
5
A
B
O
C
x
F(8, 4, 6)
O
Gz
D
A x
Q
[X100/302]
[Turn over
y
PQ and PA.
y
C
P
E
B
→ →
Page four
3. (a) (i) Diagram 1 shows part of the
graph of y = f(x),where
f(x) = pcos x.
Write down the value of p.
(ii) Diagram 2 shows part of the
graph of y = g(x), where
g(x) = qsin x.
Write down the value of q.
(b) Write f(x) + g(x) in the form kcos (x + a) where k > 0 and 0 < a <
(c) Hence find as a single trigonometric expression.
4. (a) Write down the centre and calculate the radius of the circle with equation
x2
+ y2
+ 8x + 4y – 38 = 0.
(b) A second circle has equation (x – 4)2
+ (y – 6)2
= 26.
Find the distance between the centres of these two circles and hence show
that the circles intersect.
(c) The line with equation y = 4 – x is a common chord passing through the
points of intersection of the two circles.
Find the coordinates of the points of intersection of the two circles.
5. Solve the equation cos 2x ° + 2sin x ° = sin2
x ° in the interval 0 ≤ x < 360.
Marks
2
4
2
2
4
5
5
y
Diagram 1
O x
[X100/302]
7
π
7−
–π
y
Diagram 2
O xπ
–3
2π
3
.
2
π
( ) ( )f x g x+′ ′
Page five
[END OF QUESTION PAPER]
6. In the diagram, Q lies on the line
joining (0, 6) and (3, 0).
OPQR is a rectangle, where P and R
lie on the axes and OR = t.
(a) Show that QR = 6 – 2t.
(b) Find the coordinates of Q for
which the rectangle has a
maximum area.
7. The parabola shown in the diagram has equation
y = 32 – 2x2
.
The shaded area lies between the lines y = 14
and y = 24.
Calculate the shaded area.
Marks
3
6
8
y
Q
6
xtO
P
R 3
y
y = 24
y = 14
xO
[X100/302]
[BLANK PAGE]
[BLANK PAGE]
[BLANK PAGE]
Read carefully
Calculators may NOT be used in this paper.
Section A – Questions 1–20 (40 marks)
Instructions for completion of Section A are given on page two.
For this section of the examination you must use an HB pencil.
Section B (30 marks)
1 Full credit will be given only where the solution contains appropriate working.
2 Answers obtained by readings from scale drawings will not receive any credit.
MATHEMATICS
HIGHER
Paper 1
(Non-calculator)
N A T I O N A L T H U R S D A Y , 2 1 M A Y
Q U A L I F I C A T I O N S 9 . 0 0 A M – 1 0 . 3 0 A M
2 0 0 9
X100/301
©LI X100/301 6/29520 *X100/301*
Read carefully
1 Check that the answer sheet provided is for Mathematics Higher (Section A).
2 For this section of the examination you must use an HB pencil and, where necessary, an
eraser.
3 Check that the answer sheet you have been given has your name, date of birth, SCN
(Scottish Candidate Number) and Centre Name printed on it.
Do not change any of these details.
4 If any of this information is wrong, tell the Invigilator immediately.
5 If this information is correct, print your name and seat number in the boxes provided.
6 The answer to each question is either A, B, C or D. Decide what your answer is, then,
using your pencil, put a horizontal line in the space provided (see sample question
below).
7 There is only one correct answer to each question.
8 Rough working should not be done on your answer sheet.
9 At the end of the exam, put the answer sheet for Section A inside the front cover
of your answer book.
Sample Question
A curve has equation y = x3
– 4x.
What is the gradient at the point where x = 2?
A 8
B 1
C 0
D –4
The correct answer is A—8. The answer A has been clearly marked in pencil with a
horizontal line (see below).
Changing an answer
If you decide to change your answer, carefully erase your first answer and, using your pencil,
fill in the answer you want. The answer below has been changed to D.
A B C D
A B C D
Page two[X100/301]
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page three
a1
a2
a3
b1
b2
b3
and b = .
+ −2 2
.g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
[X100/301]
[Turn over
SECTION A
ALL questions should be attempted.
1. A sequence is defined by un + 1 = 3un + 4 with u1 = 2.
What is the value of u3?
A 34
B 21
C 18
D 13
2. A circle has equation x2
+ y2
+ 8x + 6y – 75 = 0.
What is the radius of this circle?
A 5
B 10
C
D
3. Triangle PQR has vertices at P(–3, –2), Q(–1, 4) and R(3, 6).
PS is a median. What is the gradient of PS?
A – 2
B
C 1
D
4. A curve has equation y = 5x3
– 12x.
What is the gradient of the tangent at the point (1, –7)?
A –7
B –5
C 3
D 5
Page four[X100/301]
75
175
7
4
−
7
4
5. Here are two statements about the points S(2, 3) and T(5, –1):
(1) The length of ST = 5 units;
(2) The gradient of ST =
Which of the following is true?
A Neither statement is correct.
B Only statement (1) is correct.
C Only statement (2) is correct.
D Both statements are correct.
6. A sequence is generated by the recurrence relation un+1 = 0.7un + 10.
What is the limit of this sequence as n → ∞?
7. If the exact value of cos x is find the exact value of cos 2x.
Page five[X100/301]
4
.
3
100
A
3
100
B
7
17
C
100
3
D
10
−
−
3
A
5
2
B
5
2
C
5
3
D
5
1
,
5
[Turn over
Page six
8. What is the derivative of
9. The line with equation y = 2x intersects the circle with equation x2
+ y2
= 5 at the
points J and K.
What are the x-coordinates of J and K?
A xJ = 1, xK = –1
B xJ = 2, xK = –2
C xJ = 1, xK = –2
D xJ = –1, xK = 2
[X100/301]
3
1
, 0?
4
x
x
≠
−
−
2
2
4
4
1
A
12
1
B
12
4
C
3
D
4
x
x
x
x
Page seven
10. Which of the following graphs has equation y = log5(x – 2)?
[X100/301]
A
y
O x
(7, 1)
(3, 0)
C
y
O x
(3, 1)
(–1, 0)
B
y
O x
(1, 7)
(0, 3)
D y
O x
(1, 7)
(7, 1)
[Turn over
Page eight
11. How many solutions does the equation
(4 sin x – )(sin x + 1) = 0
have in the interval 0 ≤ x < 2π?
A 4
B 3
C 2
D 1
12. A function f is given by f(x) = 2x2
– x – 9.
Which of the following describes the nature of the roots of f(x) = 0?
A No real roots
B Equal roots
C Real distinct roots
D Rational distinct roots
13. k and a are given by
k sin a ° = 1
k cos a ° =
where k > 0 and 0 ≤ a < 90.
What are the values of k and a?
k a
A 2 60
B 2 30
C 60
D 30
14. If f(x) = 2sin 3x – + 5, what is the range of values of f(x)?
A –1 ≤ f(x) ≤ 11
B 2 ≤ f(x) ≤ 8
C 3 ≤ f(x) ≤ 7
D –3 ≤ f(x) ≤ 7
[X100/301]
5
3
10
10
( )π
2
Page nine
15. The line GH makes an angle of radians with the y-axis, as shown in the diagram.
What is the gradient of GH?
A
B
C
D
16. The graph of y = 4x3
– 9x2
is shown in the diagram.
Which of the following gives the area of the shaded section?
[X100/301]
6
π
3
1
2
1
2
3
2
y
O
G
x
H
6
π
y
O 1
–5
x
y = 4x3
– 9x2
04 3
5
14 3
0
02
5
12
0
A 3
B 3
C 12 18
D 12 18
x x
x x
x x
x x
−
−
⎡ ⎤−⎣ ⎦
⎡ ⎤− −⎣ ⎦
⎡ ⎤−⎣ ⎦
⎡ ⎤− −⎣ ⎦
[Turn over
Page ten
17. The vector u has components
Which of the following is a unit vector parallel to u?
A
B –3i + 4k
C
D
18. Given that f(x) = (4 – 3x2
) on a suitable domain, find f′(x).
A –3x(4 – 3x2
)
B (4 – 6x)
C 2(4 – 3x3
)
D 3x(4 – 3x2
)
19. For what values of x is 6 + x – x2
< 0?
A x > 3 only
B x < –2 only
C x < –2, x > 3
D –3 < x < 2
20. A = 2πr2
+ 6πr.
What is the rate of change of A with respect to r when r = 2?
A 10π
B 12π
C 14π
D 20π
[END OF SECTION A]
[X100/301]
3
0 .
4
−⎛ ⎞
⎜ ⎟
⎜ ⎟
⎜ ⎟
⎝ ⎠
3 4
5 5
− +i k
3 4
7 7
− +i k
1 1
3 4
− +i k
1
2
−
1
2
−
3
2
−
1
2
3
2
−
1
2
−
Page eleven
ALL questions should be attempted.
21. Triangle PQR has vertex P on the
x-axis, as shown in the diagram.
Q and R are the points (4, 6) and (8, –2)
respectively.
The equation of PQ is 6x – 7y + 18 = 0.
(a) State the coordinates of P.
(b) Find the equation of the altitude of
the triangle from P.
(c) The altitude from P meets the line
QR at T. Find the coordinates of T.
22. D, E and F have coordinates (10, –8, –15), (1, –2, –3) and (–2, 0, 1) respectively.
(a) (i) Show that D, E and F are collinear.
(ii) Find the ratio in which E divides DF.
(b) G has coordinates (k, 1, 0).
Given that DE is perpendicular to GE, find the value of k.
23. The diagram shows a sketch of the
function y = f(x).
(a) Copy the diagram and on it sketch
the graph of y = f(2x).
(b) On a separate diagram sketch the
graph of y = 1 – f(2x).
Marks
1
3
4
4
4
2
3
6x – 7y + 18 = 0
y
O
T
P
Q(4, 6)
R(8, –2)
x
y = f(x)
y
O
(2, 8)
(–4, 8)
x
SECTION B
[X100/301]
[Turn over for Question 24 on Page twelve
[END OF SECTION B]
[END OF QUESTION PAPER]
Page twelve
24. (a) Using the fact that find the exact value of sin
(b) Show that sin(A + B) + sin(A – B) = 2sin A cos B.
(c) (i) Express in terms of
(ii) Hence or otherwise find the exact value of sin + sin
Marks
3
2
4
[X100/301]
7 ,
12 3 4
π π π= +
12
π and .
3 4
π π
7 .
12
π
( )
7
12
π
( ) .
12
π
( )
Read Carefully
1 Calculators may be used in this paper.
2 Full credit will be given only where the solution contains appropriate working.
3 Answers obtained by readings from scale drawings will not receive any credit.
MATHEMATICS
HIGHER
Paper 2
N A T I O N A L T H U R S D A Y , 2 1 M A Y
Q U A L I F I C A T I O N S 1 0 . 5 0 A M – 1 2 . 0 0 N O O N
2 0 0 9
X100/302
©LI X100/302 6/29520 *X100/302*
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page two
a1
a2
a3
b1
b2
b3
and b = .
+ −2 2
.g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
[X100/302]
Page three
ALL questions should be attempted.
1. Find the coordinates of the turning points of the curve with equation
y = x3
– 3x2
– 9x + 12 and determine their nature.
2. Functions f and g are given by f(x) = 3x + 1 and g(x) = x2
– 2.
(a) (i) Find p(x) where p(x) = f(g(x)).
(ii) Find q(x) where q(x) = g(f(x)).
(b) Solve p′(x) = q′(x).
3. (a) (i) Show that x = 1 is a root of x3
+ 8x2
+ 11x – 20 = 0.
(ii) Hence factorise x3
+ 8x2
+ 11x – 20 fully.
(b) Solve log2
(x + 3) + log2
(x2
+ 5x – 4) = 3.
4. (a) Show that the point P(5, 10) lies on circle C1
with equation
(x + 1)2
+ (y – 2)2
= 100.
(b) PQ is a diameter of this circle as
shown in the diagram. Find the
equation of the tangent at Q.
(c) Two circles, C2
and C3
, touch circle C1
at Q.
The radius of each of these circles is twice the radius of circle C1
.
Find the equations of circles C2
and C3
.
Marks
8
3
3
4
5
1
5
4
[X100/302]
[Turn over
y
P(5, 10)
O
Q
x
Page four
5. The graphs of y = f(x) and y = g(x) are
shown in the diagram.
f(x) = –4 cos(2x) + 3 and g(x) is of the
form g(x) = m cos(nx).
(a) Write down the values of m and n.
(b) Find, correct to one decimal
place, the coordinates of the
points of intersection of the two
graphs in the interval
(c) Calculate the shaded area.
6. The size of the human population, N, can be modelled using the equation
N = N0ert
where N0 is the population in 2006, t is the time in years since 2006,
and r is the annual rate of increase in the population.
(a) In 2006 the population of the United Kingdom was approximately
61 million, with an annual rate of increase of 1.6%. Assuming this
growth rate remains constant, what would be the population in 2020?
(b) In 2006 the population of Scotland was approximately 5.1 million, with
an annual rate of increase of 0.43%.
Assuming this growth rate remains constant, how long would it take for
Scotland’s population to double in size?
7. Vectors p, q and r are represented on the
diagram shown where angle ADC = 30 °.
It is also given that |p| = 4 and|q| = 3.
(a) Evaluate p.(q + r) and r.(p – q).
(b) Find |q + r| and |p – q|.
Marks
1
5
6
2
3
6
4
[X100/302]
A
pD
30 °
B
r
q
C
[END OF QUESTION PAPER]
y
xπ
y = f(x)
y = g(x)
7
3
0
–1
–30 .x π≤ ≤
Read carefully
Calculators may NOT be used in this paper.
Section A – Questions 1–20 (40 marks)
Instructions for completion of Section A are given on page two.
For this section of the examination you must use an HB pencil.
Section B (30 marks)
1 Full credit will be given only where the solution contains appropriate working.
2 Answers obtained by readings from scale drawings will not receive any credit.
MATHEMATICS
HIGHER
Paper 1
(Non-calculator)
N A T I O N A L
Q U A L I F I C A T I O N S
2 0 1 0
F R I D A Y , 2 1 M A Y
9 . 0 0 A M – 1 0 . 3 0 A M
X100/301
©
LI X100/301 6/31310 *X100/301*
Read carefully
1 Check that the answer sheet provided is for Mathematics Higher (Section A).
2 For this section of the examination you must use an HB pencil and, where necessary, an
eraser.
3 Check that the answer sheet you have been given has your name, date of birth, SCN
(Scottish Candidate Number) and Centre Name printed on it.
Do not change any of these details.
4 If any of this information is wrong, tell the Invigilator immediately.
5 If this information is correct, print your name and seat number in the boxes provided.
6 The answer to each question is either A, B, C or D. Decide what your answer is, then,
using your pencil, put a horizontal line in the space provided (see sample question
below).
7 There is only one correct answer to each question.
8 Rough working should not be done on your answer sheet.
9 At the end of the exam, put the answer sheet for Section A inside the front cover
of your answer book.
Sample Question
A curve has equation y = x3
– 4x.
What is the gradient at the point where x = 2?
A 8
B 1
C 0
D –4
The correct answer is A—8. The answer A has been clearly marked in pencil with a
horizontal line (see below).
Changing an answer
If you decide to change your answer, carefully erase your first answer and, using your pencil,
fill in the answer you want. The answer below has been changed to D.
A B C D
A B C D
Page two[X100/301]
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page three
+ −2 2
.g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
[X100/301]
[Turn over
a1
a2
a3
b1
b2
b3
and b = .
SECTION A
ALL questions should be attempted.
1. A line L is perpendicular to the line with equation 2x – 3y – 6 = 0.
What is the gradient of the line L?
2. A sequence is defined by the recurrence relation un + 1 = 2un + 3 and u0 = 1.
What is the value of u2 ?
A 7
B 10
C 13
D 16
3. Given that find 3u – 2v in component form.
A
B
C
D
Page four[X100/301]
3
A
2
1
B
2
2
C
3
D 2
−
−
2
0
1
– 1
2
4
and v = ,u =
4
– 1
– 5
4
– 4
11
8
– 1
5
8
– 4
– 5
4. The diagram shows the graph with equation of the form y = acos bx for 0 ≤ x ≤ 2π.
What is the equation of this graph?
A y = 2cos3x
B y = 2cos2x
C y = 3cos2x
D y = 4cos3x
5. When x2
+ 8x + 3 is written in the form (x + p)2
+ q, what is the value of q?
A –19
B –13
C –5
D 19
Page five[X100/301]
[Turn over
y
2
O π 2π
–2
x
Page six
6. The roots of the equation kx2
– 3x + 2 = 0 are equal.
What is the value of k?
7. A sequence is generated by the recurrence relation un + 1 = + 7, with u0
= – 2.
What is the limit of this sequence as n → ∞?
[X100/301]
1
A
28
28
B
5
28
C
3
D 28
1
4 nu
9
A
8
8
B
9
8
C
9
9
D
8
−
−
Page seven
8. The equation of the circle shown in the diagram is x2
+ y2
– 6x – 10y + 9 = 0.
The x-axis and the line l are parallel tangents to the circle.
What is the equation of line l?
A y = 5
B y = 10
C y = 18
D y = 20
9. Find
10. The vectors xi + 5j + 7k and –3i + 2j – k are perpendicular.
What is the value of x?
A 0
B 1
C
D
[X100/301]
[Turn over
y
l
O
x
−
−
−
−
− − +
− + +
− + +
− − +
5
5
3
3
2
A 5sin5
5
2 1
B sin5
5 5
2 1
C sin5
3 5
2
D 5sin5
3
x x c
x x c
x x c
x x c
4
(2 cos5 ) .x x dx−
+∫
4
3
10
3
11. Functions f and g are defined on suitable domains by f(x) = cos x and g(x) = x +
What is the value of
12.
Page eight[X100/301]
f g ( ) ?
6
π
.
6
π
1
A
2 6
3
B
2 6
3
C
2
1
D
2
π
π
+
+
5
1
If ( )= , 0, what is ( )?f x x f x
x
′≠
6
5
4
5
7
2
3
2
1
A
5
1
B
5
5
C
2
5
D
2
x
x
x
x
−
−
−
−
−
−
−
−
( )
Page nine
13. Which of the following diagrams shows a parabola with equation y = ax2
+ bx + c,
where
• a > 0
• b2
– 4ac > 0?
[X100/301]
[Turn over
A y
O x
B y
O x
C y
O x
D y
O x
Page ten
14. The diagram shows graphs with equations y = 14 – x2
and y = 2x2
+ 2.
Which of the following represents the shaded area?
15. The derivative of a function f is given by f ′(x) = x2
– 9.
Here are two statements about f:
(1) f is increasing at x = 1;
(2) f is stationary at x = –3.
Which of the following is true?
A Neither statement is correct.
B Only statement (1) is correct.
C Only statement (2) is correct.
D Both statements are correct.
[X100/301]
y
14
2
–2 2O
y = 2x2
+ 2
y = 14 – x2
x
−
−
−
−
−
−
∫
∫
∫
∫
14
2
2
14
2
2
2
2
2
2
2
2
A (12 3 )
B (3 12)
C (12 3 )
D (3 12)
x dx
x dx
x dx
x dx
Page eleven
16. The diagram shows the graph with equation y = k(x – 1)2
(x + t).
What are the values of k and t?
k t
A –2 –5
B –2 5
C 2 –5
D 2 5
17. If s(t) = t2
– 5t + 8, what is the rate of change of s with respect to t when t = 3?
A –5
B 1
C 2
D 9
18. What is the solution of x2
+ 4x > 0, where x is a real number?
A –4 < x < 0
B x < –4, x > 0
C 0 < x < 4
D x < 0, x > 4
[X100/301]
[Turn over
y
10
1 5O x
Page twelve[X100/301]
19. The diagram shows the graph of y = f(x) where f is a logarithmic function.
What is f(x)?
A f(x) = log6(x – 3)
B f(x) = log3(x + 3)
C f(x) = log3(x – 3)
D f(x) = log6(x + 3)
20. The diagram shows the graph of y = f(2x) – 3.
What are the coordinates of the turning point on the graph of y = f(x)?
A (12, 7)
B (12, 1)
C (3, 7)
D (3, 1)
y
(6, 1)
(4, 0)O x
y
(6, 4)
y = f(2x) – 3
O x
[END OF SECTION A]
y = f(x)
Page thirteen
SECTION B
ALL questions should be attempted.
21. Triangle ABC has vertices A(4, 0),
B(–4, 16) and C(18, 20), as shown
in the diagram opposite.
Medians AP and CR intersect at
the point T(6, 12).
(a) Find the equation of median BQ.
(b) Verify that T lies on BQ.
(c) Find the ratio in which T divides BQ.
22. (a) (i) Show that (x – 1) is a factor of f(x) = 2x3
+ x2
– 8x + 5.
(ii) Hence factorise f(x) fully.
(b) Solve 2x3
+ x2
– 8x + 5 = 0.
(c) The line with equation y = 2x – 3 is a tangent to the curve with equation
y = 2x3
+ x2
– 6x + 2 at the point G.
Find the coordinates of G.
(d) This tangent meets the curve again at the point H.
Write down the coordinates of H.
[X100/301]
[Turn over for Question 23 on Page fourteen
Marks
3
1
2
5
1
5
1
y
B
P
C
T
O A
R
Q
x
[END OF SECTION B]
[END OF QUESTION PAPER]
Page fourteen
23. (a) Diagram 1 shows a right angled triangle,
where the line OA has equation
3x – 2y = 0.
(i) Show that
(ii) Find the value of sina.
(b) A second right angled triangle is added
as shown in Diagram 2.
The line OB has equation 3x – 4y = 0.
Find the values of sinb and cosb.
(c) (i) Find the value of sin(a – b).
(ii) State the value of sin(b – a).
Marks
4
4
4
[X100/301]
y
O x
A
a
Diagram 1
=
3
tan .
2
a
y
O x
A
a
Diagram 2
b
B
[BLANK PAGE]
[BLANK PAGE]
Read Carefully
1 Calculators may be used in this paper.
2 Full credit will be given only where the solution contains appropriate working.
3 Answers obtained by readings from scale drawings will not receive any credit.
©
LI X100/302 6/31310 *X100/302*
MATHEMATICS
HIGHER
Paper 2
N A T I O N A L
Q U A L I F I C A T I O N S
2 0 1 0
F R I D A Y , 2 1 M A Y
1 0 . 5 0 A M – 1 2 . 0 0 N O O N
X100/302
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page two
+ −2 2
.g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
[X100/302]
a1
a2
a3
b1
b2
b3
and b = .
Page three
ALL questions should be attempted.
1. The diagram shows a cuboid OPQR,STUV relative to the coordinate axes.
P is the point (4, 0, 0),
Q is (4, 2, 0) and U is (4, 2, 3).
M is the midpoint of OR.
N is the point on UQ such that
(a) State the coordinates of M and N.
(b) Express VM and VN in component form.
(c) Calculate the size of angle MVN.
2. (a) 12 cos x ° – 5 sin x ° can be expressed in the form k cos(x + a)°, where k > 0 and
0 ≤ a < 360.
Calculate the values of k and a.
(b) (i) Hence state the maximum and minimum values of 12 cos x ° – 5 sin x °.
(ii) Determine the values of x, in the interval 0 ≤ x < 360, at which these
maximum and minimum values occur.
Marks
2
2
5
4
3
[X100/302]
[Turn over
z
y
S
M
T
N
R
O
P (4, 0, 0)
Q (4, 2, 0)
x
= 1
3
UN UQ.
→ →
U (4, 2, 3)
V
Page four
3. (a) (i) Show that the line with equation y = 3 – x is a tangent to the circle with
equation x2
+ y2
+ 14x + 4y – 19 = 0.
(ii) Find the coordinates of the point of contact, P.
(b) Relative to a suitable set of coordinate axes, the diagram below shows the circle
from (a) and a second smaller circle with centre C.
The line y = 3 – x is a common tangent at the point P.
The radius of the larger circle is three times the radius of the smaller circle.
Find the equation of the smaller circle.
4. Solve 2 cos 2x – 5 cos x – 4 = 0 for 0 ≤ x < 2π.
Marks
5
6
5
[X100/302]
P
C
Page five
5. The parabolas with equations y = 10 – x2
and are shown in the
diagram below.
A rectangle PQRS is placed between the two parabolas as shown, so that:
• Q and R lie on the upper parabola;
• RQ and SP are parallel to the x-axis;
• T, the turning point of the lower parabola, lies on SP.
(a) (i) If TP = x units, find an expression for the length of PQ.
(ii) Hence show that the area, A, of rectangle PQRS is given by
A(x) = 12x – 2x3
.
(b) Find the maximum area of this rectangle.
Marks
3
6
[X100/302]
22
5
(10 )y x= −
y = 10 – x2
y
O
R
S
T
Q
P
x
22
5
(10 )y x= −
[Turn over for Questions 6 and 7 on Page six
Page six
6. (a) A curve has equation
Show that the equation of the tangent to this curve at the point where x = 9 is
(b) Diagram 1 shows part of the curve and the tangent.
The curve cuts the x-axis at the point A.
Find the coordinates of point A.
(c) Calculate the shaded area shown in diagram 2.
7. (a) Given that log4 x = P, show that log16 x =
(b) Solve log3x + log9x = 12.
Marks
5
1
7
3
3
[X100/302]
[END OF QUESTION PAPER]
1
2(2 9) .y x= −
1
3
.y x=
y
O x9
1
3
y x=
1
2(2 9)y x= −
y
O A
A
x9
1
3
y x=
1
2(2 9)y x= −
Diagram 1
Diagram 2
1
2
P.
[BLANK PAGE]
[BLANK PAGE]
Read carefully
Calculators may NOT be used in this paper.
Section A – Questions 1–20 (40 marks)
Instructions for completion of Section A are given on page two.
For this section of the examination you must use an HB pencil.
Section B (30 marks)
1 Full credit will be given only where the solution contains appropriate working.
2 Answers obtained by readings from scale drawings will not receive any credit.
MATHEMATICS
HIGHER
Paper 1
(Non-calculator)
N A T I O N A L
Q U A L I F I C A T I O N S
2 0 1 1
W E D N E S D A Y , 1 8 M A Y
9 . 0 0 A M – 1 0 . 3 0 A M
X100/301
©
LI X100/301 6/32010 *X100/301*
Read carefully
1 Check that the answer sheet provided is for Mathematics Higher (Section A).
2 For this section of the examination you must use an HB pencil and, where necessary, an
eraser.
3 Check that the answer sheet you have been given has your name, date of birth, SCN
(Scottish Candidate Number) and Centre Name printed on it.
Do not change any of these details.
4 If any of this information is wrong, tell the Invigilator immediately.
5 If this information is correct, print your name and seat number in the boxes provided.
6 The answer to each question is either A, B, C or D. Decide what your answer is, then,
using your pencil, put a horizontal line in the space provided (see sample question
below).
7 There is only one correct answer to each question.
8 Rough working should not be done on your answer sheet.
9 At the end of the exam, put the answer sheet for Section A inside the front cover
of your answer book.
Sample Question
A curve has equation y = x3
– 4x.
What is the gradient at the point where x = 2?
A 8
B 1
C 0
D –4
The correct answer is A—8. The answer A has been clearly marked in pencil with a
horizontal line (see below).
Changing an answer
If you decide to change your answer, carefully erase your first answer and, using your pencil,
fill in the answer you want. The answer below has been changed to D.
A B C D
A B C D
Page two[X100/301]
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page three
+ −2 2
.g f c
sinax cosa ax
cosax sin−a ax
±
( )f x ( )′f x
sinax
1 cos− +ax Ca
cosax 1 sin +ax Ca
( )f x ( )f x dx∫
[X100/301]
[Turn over
a1
a2
a3
b1
b2
b3
and b = .
SECTION A
ALL questions should be attempted.
1. Given that p = , q = and r = , express 2p – q – in component form.
2. A line l has equation 3y + 2x = 6.
What is the gradient of any line parallel to l?
Page four[X100/301]
A 2
2
B
3
3
C
2
D 2
−
−
1
A 9
15
1
B 11
13
5
C 9
13
5
D 11
15
⎛ ⎞
⎜ ⎟
⎜ ⎟
⎜ ⎟−⎝ ⎠
⎛ ⎞
⎜ ⎟
⎜ ⎟
⎜ ⎟−⎝ ⎠
⎛ ⎞
⎜ ⎟
⎜ ⎟
⎜ ⎟−⎝ ⎠
⎛ ⎞
⎜ ⎟
⎜ ⎟
⎜ ⎟−⎝ ⎠
1
2
r
2
5
7
⎛ ⎞
⎜ ⎟
⎜ ⎟
−⎝ ⎠
1
0
1
⎛ ⎞
⎜ ⎟
⎜ ⎟
−⎝ ⎠
4
2
0
−⎛ ⎞
⎜ ⎟
⎜ ⎟
⎝ ⎠
3. The diagram shows the graph of y = f(x).
Which of the following shows the graph of y = f(x + 2) – 1?
Page five[X100/301]
[Turn over
•
•
y
(1, 2)
O
(–2, –3)
x
A
B
C
D
•
•
y
(–4, 3)
O
(–1, –2)
x
•
•
y
3
O
(3, –2)
x
•
•
y
(3, 1)
O
–4
x
•
•
y
(–1, 1)
O
(–4, –4)
x
Page six
4. A tangent to the curve with equation y = x3
– 2x is drawn at the point (2, 4).
What is the gradient of this tangent?
A 2
B 3
C 4
D 10
5. If x2
– 8x + 7 is written in the form (x – p)2
+ q, what is the value of q?
A –9
B –1
C 7
D 23
6. The point P(2, –3) lies on the circle
with centre C as shown.
The gradient of CP is –2.
What is the equation of the tangent at P?
A y + 3 = –2(x – 2)
B y – 3 = –2(x + 2)
C y + 3 = (x – 2)
D y – 3 = (x + 2)
7. A function f is defined on the set of real numbers by f(x) = x3
– x2
+ x + 3.
What is the remainder when f(x) is divided by (x – 1)?
A 0
B 2
C 3
D 4
[X100/301]
y
C
O
P(2, –3)
x1
2
1
2
Page seven
8. A line makes an angle of 30° with the positive direction of the x-axis as shown.
What is the gradient of the line?
9. The discriminant of a quadratic equation is 23.
Here are two statements about this quadratic equation:
(1) the roots are real;
(2) the roots are rational.
Which of the following is true?
A Neither statement is correct.
B Only statement (1) is correct.
C Only statement (2) is correct.
D Both statements are correct.
[X100/301]
[Turn over
y
O
30°
x
1
A
3
1
B
2
1
C
2
3
D
2
10. Solve 2 cos x = for x, where 0 ≤ x < 2π.
11. Find
Page eight[X100/301]
π π
π π
π π
π π
5
A and
3 3
2
B and
3 3
5
C and
6 6
11
D and
6 6
−
−
−
−
−
−
− +
− +
− +
− +
1
42
1
22
3
42
3
22
A 2 3
1
B 2
2
8
C 3
3
8 1
D
3 2
x x c
x x c
x x c
x x c
3
1
32
4 , where 0.x x dx x−
⎛ ⎞
+ >⎜ ⎟
⎝ ⎠
⌠
⎮⎮
⌡
Page nine
12. The diagram shows two right-angled triangles with sides and angles as given.
What is the value of sin( p + q )?
13. Given that f(x) = 4 sin 3x, find f′(0).
A 0
B 1
C 12
D 36
[X100/301]
[Turn over
2
3
2
p
q
1
5
2 2
A
35
2 5
B
35
2 2
C
3 3 5
4 1
D
33 5
+
+
+
+
Page ten
14. An equilateral triangle of side 3 units is shown.
The vectors p and q are as represented in the diagram.
What is the value of p.q?
A 9
B
C
D 0
15. Given that the points S(–4, 5, 1), T(–16, –4, 16) and U(–24, –10, 26) are collinear,
calculate the ratio in which T divides SU.
A 2 : 3
B 3 : 2
C 2 : 5
D 3 : 5
16. Find
[X100/301]
p
q
9
2
9
2
3
3
3
3
1
A
9
1
B
1
C
1
D
12
c
x
c
x
c
x
c
x
− +
− +
+
+
4
1
, where 0.
3
dx x
x
≠⌠
⎮
⌡
Page eleven[X100/301]
17. The diagram shows the graph of a cubic.
What is the equation of this cubic?
A y = –x(x + 1)(x – 2)
B y = –x(x – 1)(x + 2)
C y = x(x + 1)(x – 2)
D y = x(x – 1)(x + 2)
18. If f(x) = (x – 3)(x + 5), for what values of x is the graph of y = f(x) above the x-axis?
A –5 < x < 3
B –3 < x < 5
C x < –5, x > 3
D x < –3, x > 5
•
y
(1, 2)
O–1 2 x
[Turn over
Page twelve
19. Which of the following diagrams represents the graph with equation log3 y = x?
[X100/301]
y
(1, 3)
O x
A
y
(1, 1)
O x
B
y
(1, 3)
O
1
x
C
y
(3, 1)
O 1 x
D
Page thirteen[X100/301]
20. On a suitable domain, D, a function g is defined by g(x) = sin2
Which of the following gives the real values of x in D and the corresponding values of
g(x)?
A x ≥ 0 and –1 ≤ g(x) ≤ 1
B x ≥ 0 and 0 ≤ g(x) ≤ 1
C x ≥ 2 and –1 ≤ g(x) ≤ 1
D x ≥ 2 and 0 ≤ g(x) ≤ 1
2.x −
[END OF SECTION A]
[Turn over for SECTION B
Page fourteen
SECTION B
ALL questions should be attempted.
21. A quadrilateral has vertices A(–1, 8), B(7, 12), C(8, 5) and D(2, –3) as shown in the
diagram.
(a) Find the equation of diagonal BD.
(b) The equation of diagonal AC is x + 3y = 23.
Find the coordinates of E, the point of intersection of the diagonals.
(c) (i) Find the equation of the perpendicular bisector of AB.
(ii) Show that this line passes through E.
[X100/301]
Marks
2
3
5
y
A
B
E
O
D
C
x
[END OF SECTION B]
[END OF QUESTION PAPER]
Page fifteen
22. A function f is defined on the set of real numbers by f(x) = (x – 2)(x2
+ 1).
(a) Find where the graph of y = f(x) cuts:
(i) the x-axis;
(ii) the y-axis.
(b) Find the coordinates of the stationary points on the curve with equation y = f(x)
and determine their nature.
(c) On separate diagrams sketch the graphs of:
(i) y = f(x);
(ii) y = –f(x).
23. (a) Solve cos 2x° – 3cosx° + 2 = 0 for 0 ≤ x < 360.
(b) Hence solve cos 4x° – 3cos2x° + 2 = 0 for 0 ≤ x < 360.
Marks
2
8
3
5
2
[X100/301]
[BLANK PAGE]
Read Carefully
1 Calculators may be used in this paper.
2 Full credit will be given only where the solution contains appropriate working.
3 Answers obtained by readings from scale drawings will not receive any credit.
©
LI X100/302 6/32010 *X100/302*
MATHEMATICS
HIGHER
Paper 2
N A T I O N A L
Q U A L I F I C A T I O N S
2 0 1 1
W E D N E S D A Y , 1 8 M A Y
1 0 . 5 0 A M – 1 2 . 0 0 N O O N
X100/302
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b
or a.b = a1b1 + a2b2 + a3b3 where a =
Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B
cos (A ± B) = cos A cos B sin A sin B
sin 2A = 2sin A cos A
cos 2A = cos2
A – sin2
A
= 2cos2
A – 1
= 1 – 2sin2
A
Table of standard derivatives:
Table of standard integrals:
Page two
2 2
.g f c+ −
sinax cosa ax
cosax sina ax−
±
( )f x ( )f x′
[X100/302]
sinax 1 cosax Ca− +
cosax 1 sinax Ca +
( )f x ( )f x dx∫
ALL questions should be attempted.
1. D,OABC is a square based pyramid as shown in the diagram below.
O is the origin, D is the point (2, 2, 6) and OA = 4 units.
M is the mid-point of OA.
(a) State the coordinates of B.
(b) Express DB and DM in component form.
(c) Find the size of angle BDM.
2. Functions f, g and h are defined on the set of real numbers by
• f(x) = x3
– 1
• g(x) = 3x + 1
• h(x) = 4x – 5.
(a) Find g(f(x)).
(b) Show that g(f(x)) + xh(x) = 3x3
+ 4x2
– 5x – 2.
(c) (i) Show that (x – 1) is a factor of 3x3
+ 4x2
– 5x – 2.
(ii) Factorise 3x3
+ 4x2
– 5x – 2 fully.
(d) Hence solve g(f(x)) + xh(x) = 0.
y
M
BC
A
D(2, 2, 6)
Page three
Marks
1
3
5
2
1
5
1
[X100/302]
[Turn over
z
x
O
→ →
3. (a) A sequence is defined by with u0 = –16.
Write down the values of u1 and u2.
(b) A second sequence is given by 4, 5, 7, 11, . . . .
It is generated by the recurrence relation vn + 1 = pvn + q with v1 = 4.
Find the values of p and q.
(c) Either the sequence in (a) or the sequence in (b) has a limit.
(i) Calculate this limit.
(ii) Why does the other sequence not have a limit?
4. The diagram shows the curve with equation y = x3
– x2
– 4x + 4 and
the line with equation y = 2x + 4.
The curve and the line intersect at the points (–2, 0), (0, 4) and (3, 10).
Calculate the total shaded area.
1
1
2n nu u+ = −
Marks
1
3
3
10
y
y = 2x + 4
y = x3
– x2
– 4x + 4
–2
O 3 x
Page four[X100/302]
Page five
5. Variables x and y are related by the
equation y = kxn
.
The graph of log2 y against log2 x is a
straight line through the points (0, 5)
and (4, 7), as shown in the diagram.
Find the values of k and n.
6. (a) The expression 3sinx – 5cosx can be written in the form R sin(x +a)
where R > 0 and 0 ≤ a < 2π.
Calculate the values of R and a.
(b) Hence find the value of t, where 0 ≤ t ≤ 2, for which
7. Circle C1 has equation (x + 1)2
+ (y – 1)2
= 121.
A circle C2 with equation x2
+ y2
– 4x + 6y + p = 0 is drawn inside C1.
The circles have no points of contact.
What is the range of values of p?
Marks
5
4
7
9
[X100/302]
log2 y
O
(0, 5) (4, 7)
log2 x
[END OF QUESTION PAPER]
0
(3cos 5sin ) 3.
t
x x dx+ =∫
[BLANK PAGE]
[BLANK PAGE]
[BLANK PAGE]
LI X100/12/02 6/28110
X100/12/02
*X100/12/02* ©
MATHEMATICS
HIGHER
Paper 1
(Non-calculator)
Read carefully
Calculators may NOT be used in this paper.
Section A – Questions 1–20 (40 marks)
Instructions for completion of Section A are given on Page two.
For this section of the examination you must use an HB pencil.
Section B (30 marks)
1	 Full credit will be given only where the solution contains appropriate working.
2	 Answers obtained by readings from scale drawings will not receive any credit.
N A T I O N A L
Q U A L I F I C A T I O N S
2 0 1 2
M O N D A Y , 2 1 M A Y
1 . 0 0 P M – 2 . 3 0 P M
Read carefully
	 1	 Check that the answer sheet provided is for Mathematics Higher (Section A).
	2	 For this section of the examination you must use an HB pencil and, where necessary,
an eraser.
	3	 Check that the answer sheet you have been given has your name, date of birth, SCN
(Scottish Candidate Number) and Centre Name printed on it.
		 Do not change any of these details.
	 4	 If any of this information is wrong, tell the Invigilator immediately.
	 5	 If this information is correct, print your name and seat number in the boxes provided.
	6	 The answer to each question is either A, B, C or D. Decide what your answer is, then,
using your pencil, put a horizontal line in the space provided (see sample question
below).
	 7	 There is only one correct answer to each question.
	 8	 Rough working should not be done on your answer sheet.
	9	 At the end of the exam, put the answer sheet for Section A inside the front cover
of your answer book.
Sample Question
A curve has equation y = x3
– 4x.
What is the gradient at the point where x = 2?
A	8	
B	1	
C	0	
D	 – 4	
The correct answer is A—8. The answer A has been clearly marked in pencil with a
horizontal line (see below).
Changing an answer
If you decide to change your answer, carefully erase your first answer and, using your
pencil, fill in the answer you want. The answer below has been changed to D.
Page two[X100/12/02]
A
A
B
B
C
C
D
D
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product:		 a.b = |a||b| cos q, where q is the angle between a and b
	
					or	a.b = a1b1 + a2b2 + a3b3 where a = 		 .
Trigonometric formulae:	 sin (A ± B)	 = sin A cos B ± cos A sin B
			 cos (A ± B)	= cos A cos B  sin A sin B
				 sin 2A	 = 2sin A cos A
				 cos 2A	 = cos2
A – sin2
A
					= 2cos2
A – 1
					= 1 – 2sin2
A
Table of standard derivatives:	
Table of standard integrals:
Page three[X100/12/02]
g f c2 2
+ − .
a
a
a
b
b
b
1
2
3
1
2
3




















and =b
±
f(x) f ′(x)
sin ax
cos ax
a cos ax
–a sin ax
f(x) ∫ f (x)dx
sin ax
cos ax
cos ax + C
sin ax + C
− 1
a
− 1
a
[Turn over
SECTION A
ALL questions should be attempted.
	1.	 A sequence is defined by the recurrence relation un + 1 = 3un + 4, with u0 =1.
		 Find the value of u2.
A	7
B	10
C	25
D	35
	2.	 What is the gradient of the tangent to the curve with equation y = x3
– 6x + 1 at the
point where x = –2?
A	–24
B	3
C	5
D	6
	3.	 If x2
– 6x + 14 is written in the form (x – p)2
+ q, what is the value of q?
A	–22
B	5
C	14
D	50
	4.	 What is the gradient of the line
shown in the diagram?
		A
		B
		C
		D
Page four[X100/12/02]
150 °
y
xO
−
−
−
−
3
1
3
1
2
3
2
5.	 The diagram shows a right-angled triangle with sides and angles as marked.
		 What is the value of cos2a?
		A
		B
		C
		D
	6.	If y = 3x–2
+ 2x , x > 0, determine   .
A
B
C
D
	7.	If u = 			 are perpendicular, what is the value of t?
A	–3
B	–2
C
D	1
Page five[X100/12/02]
5
a
4
3
7
25
3
5
24
25
6
5
3
2
− +
− +
− +
− +
−
−
−
−
6
4
5
3 3
6 3
3
4
5
3
1
3
1
5
2
1
2
1
2
5
2
x x
x x
x x
x x
−









=
−










3
1
2
1
1t
tand v
[Turn over
dy
dx
2
3
8.	 The volume of a sphere is given by the formula V = pr3
.
		 What is the rate of change of V with respect to r, at r = 2?
		
	9.	 The diagram shows the curve with equation of the form y = cos(x + a) + b
for 0 ≤ x ≤ 2p.
		 What is the equation of this curve?
Page six[X100/12/02]
A
B
C
D
16
3
32
3
16
32
p
p
p
p
y
O
–2
2p
x
p
6
7
6
p
A
B
C
D
y x
y x
y x
y
= −



 −
= −



 +
= +



 −
=
cos
cos
cos
c
π
π
π
6
1
6
1
6
1
oos x +



 +
π
6
1
4
3
10.	 The diagram shows a square-based pyramid P,QRST.
		 TS, TQ and TP represent f, g and h respectively.
		 Express RP in terms of f, g and h.
A	–f + g – h
B	–f – g + h
C	  f – g – h
D	  f + g + h
	11.	 Find	 dx, x ≠ 0.
A	–12x–3
+ c
B	–6x–1
+ c
C	 – x–3
+ c
D	 – x–1
+ c
	12.	 Find the maximum value of
		 and the value of x where this occurs in the interval 0 ≤ x ≤ 2p.
Page seven[X100/12/02]
R
T
P
S
Q
f
h
g
[Turn over
1
6
2
x





∫
1
3
1
6
2 3
3
− −



sin x π
A
B
C
D
−
−
1
6
5
6
1
6
5
6
11
11
5
5
π
π
π
π
max value	 x
∫
13.	 A parabola intersects the axes at x = –2, x = –1 and y = 6, as shown in the diagram.
		 What is the equation of the parabola?
A	 y = 6(x – 1)(x – 2)
B	 y = 6(x + 1)(x + 2)
C	 y = 3(x – 1)(x – 2)
D	 y = 3(x + 1)(x + 2)
	14.	Find
		A
		B
		C
		D
	15.	 If	 , where k>0 and u is a unit vector, determine the value of k.
		A
		B
		C
		D
Page eight[X100/12/02]
y
O–2
6
–1 x
2 1 1
2
1
2x −( ) >∫ dx xwhere .
A
B
C
D
1
1
1
1
3
2 1
2
2 1
2
2 1
3
2 1
3
2
1
2
3
2
1
2
x c
x c
x c
x c
−( ) +
−( ) +
−( ) +
−( ) +
−
−
u= −










k
3
1
0
A
B
C
D
1
2
1
8
1
2
1
10
∫
16.	If y = 3cos4
x, find	 .
A	12cos3
x sin x
B	12cos3
x
C	–12cos3
x sin x
D	–12sin3
x
	17.	 Given that 		 	   , what is the value of a.b?
		 C	 – 6
		D	 –18
	18.	 The graph of y = f(x) shown
		 has stationary points at (0, p) and (q, r).
		 Here are two statements about f(x):
		(1)	f(x) < 0 for s < x < t;
		(2)	f ′(x) < 0 for x < q.
		 Which of the following is true?
A	 Neither statement is correct.
B	 Only statement (1) is correct.
C	 Only statement (2) is correct.
D	 Both statements are correct.
Page nine[X100/12/02]
y y = f(x)
O
(q, r)
s t
p
x
dy
dx
[Turn over
a=










+( )=
3
0
74 and a. a b
A
B
7
25
18
5
−
19.	 Solve 6 – x – x2
< 0.
A	 –3 < x < 2
B	 x < –3, x > 2
C	 –2 < x < 3
D	 x < –2, x > 3
	20.	 Simplify	 , where a > 0 and b > 0.
A	2
B	3a
C	logb3a
D	logb(9a2
– 3a)
[END OF SECTION A]
Page ten[X100/12/02]
log 9
log
b
b
a
a
2
3
SECTION B
ALL questions should be attempted.
	21.	 (a)	 (i)	 Show that (x – 4) is a factor of x3
– 5x2
+ 2x + 8.
	(ii)	 Factorise x3
– 5x2
+ 2x + 8 fully.
	(iii)	 Solve x3
– 5x2
+ 2x + 8 = 0.
		(b)	 The diagram shows the curve with equation y = x3
– 5x2
+ 2x + 8.	
			 The curve crosses the x-axis at P, Q and R.
Determine the shaded area.
	22.	(a)	 The expression can be written in the form
where k > 0 and 0 ≤ a < 2p.
			 Calculate the values of k and a.
		(b)	 Find the points of intersection of the graph of with
the x and y axes, in the interval 0 ≤ x ≤ 2p.
Page eleven[X100/12/02]
y
O Q R
y = x3
– 5x2
+ 2x + 8
P x
Marks
6
6
4
3
[Turn over for Question 23 on Page twelve
cos sinx x− 3 k x acos +( )
y x x= −cos sin3
23.	(a)	Find the equation of l1, the perpendicular bisector of the line
joining P(3, –3) to Q(–1, 9).
		(b)	 Find the equation of l2 which is parallel to PQ and passes through R(1, –2).
		(c)	 Find the point of intersection of l1 and l2.
		(d)	 Hence find the shortest distance between PQ and l2.	
[END OF SECTION B]
[END OF QUESTION PAPER]
Page twelve[X100/12/02]
Marks
4
2
3
2
LI X100/12/03 6/28110
X100/12/03
*X100/12/03* ©
MATHEMATICS
HIGHER
Paper 2
Read Carefully
1	 Calculators may be used in this paper.
2	 Full credit will be given only where the solution contains appropriate working.
3	 Answers obtained by readings from scale drawings will not receive any credit.
N A T I O N A L
Q U A L I F I C A T I O N S
2 0 1 2
M O N D A Y , 2 1 M A Y
2 . 5 0 P M – 4 . 0 0 P M
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product:		 a.b = |a||b| cos q, where q is the angle between a and b
	
					or	a.b = a1b1 + a2b2 + a3b3 where a = 			 .
Trigonometric formulae:	 sin (A ± B)	 = sin A cos B ± cos A sin B
			 cos (A ± B)	= cos A cos B  sin A sin B
				 sin 2A	 = 2sin A cos A
				 cos 2A	 = cos2
A – sin2
A
					= 2cos2
A – 1
					= 1 – 2sin2
A
Table of standard derivatives:	
Table of standard integrals:
Page two[X100/12/03]
g f c2 2
+ − .
a
a
a
b
b
b
1
2
3
1
2
3




















and =b
±
f(x) f ′(x)
sin ax
cos ax
a cos ax
–a sin ax
f(x) ∫ f (x)dx
sin ax
cos ax
cos ax + C
sin ax + C
− 1
a
− 1
a
[X100/12/03]
Marks
3
3
6
6
Page three [Turn over
ALL questions should be attempted.
	1.	Functions f and g are defined on the set of real numbers by
	 	 	 •	 f(x) = x2
+ 3
	 	 	 •	 g(x) = x + 4.
(a)	 Find expressions for:
	(i)	f(g(x));
	(ii)	g(f(x)).
(b)	 Show that f(g(x)) + g(f(x)) = 0 has no real roots.
	2.	(a)	 Relative to a suitable set of coordinate axes, Diagram 1 shows the
line 2x – y + 5 = 0 intersecting the circle x2
+ y2
– 6x –2y – 30 = 0 at the
points P and Q.
	 Find the coordinates of P and Q.
(b)	 Diagram 2 shows the circle from (a) and a second congruent circle, which also
passes through P and Q.
	 Determine the equation of this second circle.
Q
Q
P
P
Diagram 1
Diagram 2
[X100/12/03]
	3.	 A function f is defined on the domain 0 ≤ x ≤ 3 by f(x) = x3
– 2x2
– 4x + 6.
		 Determine the maximum and minimum values of f.
	4.	 The diagram below shows the graph of a quartic y = h(x), with stationary
points at x = 0 and x = 2.
		 On separate diagrams sketch the graphs of:
(a)	 y = h'(x);
(b)	 y = 2 – h'(x).
	5.	 A is the point (3, –3, 0), B is (2, –3, 1) and C is (4, k, 0).
(a)	 (i)	 Express BA and BC in component form.
	 (ii)	 Show that cos ABC =		 ·
(b)	 If angle ABC = 30 °, find the possible values of k.
Page four
Marks
7
3
3
7
5
y
5
2O
y = h(x)
x
3
6 142
2( )k k+ +
^
[X100/12/03]
	6.	 For 0 < x < , sequences can be generated using the recurrence relation
					 				  .	
(a)	 Why do these sequences have a limit?
(b)	 The limit of one sequence generated by this recurrence relation is .
	 Find the value(s) of x.
	7.	 The diagram shows the curves with equations and .
		 The graphs intersect at the point T.
(a)	 Show that the x – coordinate of T can be written in the form 	 ,
	 for all a > 1.
(b)	 Calculate the y – coordinate of T.
Page five
[END OF QUESTION PAPER]
Marks
2
7
6
2
π
2
y
O
T
y = 4x
x
log
log
a
a
p
q
u x u x un n+
= + =1 0
2 1(sin ) cos , with
1
2
sinx
y x
= −
32
y x
= −
32
y x
= 4
[BLANK PAGE]
[BLANK PAGE]
[BLANK PAGE]
LI X100/12/02 6/30310
X100/12/02
*X100/12/02* ©
MATHEMATICS
HIGHER
Paper 1
(Non-calculator)
Read carefully
Calculators may NOT be used in this paper.
Section A – Questions 1–20 (40 marks)
Instructions for completion of Section A are given on Page two.
For this section of the examination you must use an HB pencil.
Section B (30 marks)
1	 Full credit will be given only where the solution contains appropriate working.
2	 Answers obtained by readings from scale drawings will not receive any credit.
N A T I O N A L
Q U A L I F I C A T I O N S
2 0 1 3
W E D N E S D A Y , 2 2 M A Y
1 . 0 0 P M – 2 . 3 0 P M
Read carefully
	 1	 Check that the answer sheet provided is for Mathematics Higher (Section A).
	2	 For this section of the examination you must use an HB pencil and, where necessary,
an eraser.
	3	 Check that the answer sheet you have been given has your name, date of birth, SCN
(Scottish Candidate Number) and Centre Name printed on it.
		 Do not change any of these details.
	 4	 If any of this information is wrong, tell the Invigilator immediately.
	 5	 If this information is correct, print your name and seat number in the boxes provided.
	6	 The answer to each question is either A, B, C or D. Decide what your answer is, then,
using your pencil, put a horizontal line in the space provided (see sample question
below).
	 7	 There is only one correct answer to each question.
	 8	 Rough working should not be done on your answer sheet.
	9	 At the end of the exam, put the answer sheet for Section A inside the front cover
of your answer book.
Sample Question
A curve has equation y = x3
– 4x.
What is the gradient at the point where x = 2?
A	8	
B	1	
C	0	
D	 – 4	
The correct answer is A—8. The answer A has been clearly marked in pencil with a
horizontal line (see below).
Changing an answer
If you decide to change your answer, carefully erase your first answer and, using your
pencil, fill in the answer you want. The answer below has been changed to D.
Page two[X100/12/02]
A
A
B
B
C
C
D
D
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product:		 a.b = |a||b| cos q, where q is the angle between a and b
	
					or	a.b = a1b1 + a2b2 + a3b3 where a = 		 .
Trigonometric formulae:	 sin (A ± B)	 = sin A cos B ± cos A sin B
			 cos (A ± B)	= cos A cos B  sin A sin B
				 sin 2A	 = 2sin A cos A
				 cos 2A	 = cos2
A – sin2
A
					= 2cos2
A – 1
					= 1 – 2sin2
A
Table of standard derivatives:	
Table of standard integrals:
Page three[X100/12/02]
g f c2 2
+ − .
a
a
a
b
b
b
1
2
3
1
2
3




















and =b
±
f(x) f ′(x)
sin ax
cos ax
a cos ax
–a sin ax
f(x) ∫ f (x)dx
sin ax
cos ax
cos ax + C
sin ax + C
− 1
a
− 1
a
[Turn over
SECTION A
ALL questions should be attempted.
	1.	 The functions f and g are defined by f(x) = x2
+ 1 and g(x) = 3x – 4, on the set of real
numbers.
		Find g(f(x)).
A	3x2
– 1
B	9x2
– 15
C	9x2
+ 17
D	3x3
– 4x2
+ 3x – 4
	2.	 The point P (5, 12) lies on the curve with equation y = x2
– 4x + 7.
		 What is the gradient of the tangent to this curve at P?
A	2
B	6
C	12
D	13
	3.	 Calculate the discriminant of the quadratic equation 2x2
+ 4x + 5 = 0.
A	–32
B	–24
C	48
D	56
Page four[X100/12/02]
4.	 Which of the following shows the graph of y = 4cos 2x – 1, for 0 ≤ x ≤ p?
		A
		B
		C
		D
	
Page five[X100/12/02]
[Turn over
y
y
y
y
x
x
x
x
–5
–3
3
5
p
p
p
p
O
O
O
O
–5
3
O
–5
3
–3
5
5.	 The line L passes through the point (–2, –1) and is parallel to the line with equation
5x + 3y – 6 = 0.
		 What is the equation of L?
A	3x + 5y – 11 = 0
B	3x + 5y + 11 = 0
C	5x + 3y – 13 = 0
D	5x + 3y + 13 = 0
	6.	 What is the remainder when x3
+ 3x2
– 5x – 6 is divided by (x – 2)?
A	0
B	3
C	4
D	8
	 7.	Find ∫ x(3x + 2) dx.
A	 x3
+ c
B	 x3
+ x2
+ c
C
D	3x2
+ 2x + c
	
Page six[X100/12/02]
1
2
3
2
22 2
x x x c+



 +
8.	 A sequence is defined by the recurrence relation un +1 = 0·1un + 8, with u1 = 11.
		 Here are two statements about this sequence:
(1)	 u0 = 9·1;
(2)	 The sequence has a limit as n ∞.
Which of the following is true?
A	 Neither statement is correct.
B	 Only statement (1) is correct.
C	 Only statement (2) is correct.
D	 Both statements are correct.
	9.	 The diagram shows a right-angled triangle with sides and angles as marked.
		 Find the value of sin2x.
A	
B	
C	
D	
	10.	 If 0 < a < 90, which of the following is equivalent to cos(270 – a)°?
		 A		cos a°
		 B		sin a°
		 C		–cos a°
		 D		–sin a°
Page seven[X100/12/02]
2
1
x
[Turn over
5
4
5
2
5
2
5
1
5
11.	 The diagram shows a cubic curve with equation y = f(x).
		 Which of the following diagrams could show the curve with equation
y = –f(x – k), k > 0?
A
	
B
	
C	
D	
Page eight[X100/12/02]
y
y
y
O
O
O
x
x
x
y
O x
y
O x
12.	If f = 3i + 2k and g = 2i + 4j + 3k, find |f + g|.
A	
B	
C	
D
	13.	 A function f is defined on a suitable domain by f(x) =		 .
		 What value(s) of x cannot be in this domain?
		 A	 3 and 4
		 B	 – 3 and –4
		C	 –2
		D	 0
	14.	 Given that |a| = 3, |b| = 2 and a.b = 5, what is the value of a.(a + b)?
A	11
B	14
C	15
D	21
	15.	 Solve	 = –1 for 0 ≤ x < 2p.	
		A
		B
		C
		D
Page nine[X100/12/02]
[Turn over
14
42
66
70
units
units
units
units
x
x x
+
− +
2
7 122
tan x
2




π
π
π
π
2
7
8
3
2
15
8
16.	Find
A	
B	
C	
D	
	17.	 The diagram shows a curve with equation of the form y = kx(x + a)2
, which passes
through the points (–2, 0), (0, 0) and (1, 3).
		 What are the values of a and k?
		a	k
A	–2
B	–2	 3
C		2	
D		2	 3
Page ten[X100/12/02]
1 6
1
6
1
2−( ) <∫
−
x dx xwhere .
1
9
1 6
3
2−( ) +
−
x c
3 1 6
3
2−( ) +
−
x c
− −( ) +1
3
1 6
1
2x c
− −( ) +3 1 6
1
2x c
y
x
(1, 3)
–2 O
1
3
1
3
18.	 Given that y = sin(x2
– 3), find .
A	 sin 2x	
B	 cos 2x
C	2x sin(x2
– 3)
D	2x cos(x2
– 3)
	19.	 Solve 1 – 2x – 3x2
> 0, where x is a real number.
A		x < –1 or x >
B	 –1 < x <
C		x < – or x > 1
D	 – < x < 1
	20.	 The graph of log3 y plotted against x is a line through the origin with gradient 2, as
shown.
Express y in terms of x.
A	 y = 2x
B	 y = 9x
C	 y = 6x
D	 y = 9x
[END OF SECTION A]
Page eleven[X100/12/02]
dy
dx
1
3
1
3
1
3
1
3
log3 y
m = 2
xO
[Turn over for SECTION B
on Page twelve
SECTION B
ALL questions should be attempted.
21.		 Express 2x2
+ 12x + 1 in the form a(x + b)2
+ c.
	22.	 A circle C1 has equation x2
+ y2
+ 2x + 4y – 27 = 0.
(a)	 Write down the centre and calculate the radius of C1.
		(b)	 The point P(3, 2) lies on the circle C1.
			 Find the equation of the tangent at P.
		(c)	 A second circle C2 has centre (10, –1). The radius of C2 is half of the radius of
C1.
			 Show that the equation of C2 is x2
+ y2
– 20x + 2y + 93 = 0.
		(d)	 Show that the tangent found in part (b) is also a tangent to circle C2.
	23.	 (a)	The expression 	 can be written in the form k sin(x – a)°,
where k >0 and 0 ≤ a < 360.
			 Calculate the values of k and a.
		(b)	 Determine the maximum value of	 , where
0 ≤ x < 360.	
	24.	 (a)	 (i)	 Show that the points A(–7, –8, 1), T(3, 2, 5) and B(18, 17, 11) are
collinear.
			 (ii)	 Find the ratio in which T divides AB.
		(b)	 The point C lies on the x-axis.
If TB and TC are perpendicular, find the coordinates of C.
[END OF SECTION B]
[END OF QUESTION PAPER]
Page twelve[X100/12/02]
4 5 5 3+ ° − °cos sinx x
3sin cosx x° − °
Marks
3
2
3
3
4
4
2
4
5
LI X100/12/03 6/30310
X100/12/03
*X100/12/03* ©
MATHEMATICS
HIGHER
Paper 2
Read carefully
1	 Calculators may be used in this paper.
2	 Full credit will be given only where the solution contains appropriate working.
3	 Answers obtained by readings from scale drawings will not receive any credit.
N A T I O N A L
Q U A L I F I C A T I O N S
2 0 1 3
W E D N E S D A Y , 2 2 M A Y
2 . 5 0 P M – 4 . 0 0 P M
FORMULAE LIST
Circle:
The equation x2
+ y2
+ 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius
The equation (x – a)2
+ (y – b)2
= r2
represents a circle centre (a, b) and radius r.
Scalar Product:		 a.b = |a||b| cos q, where q is the angle between a and b
	
					or	a.b = a1b1 + a2b2 + a3b3 where a = 			 .
Trigonometric formulae:	 sin (A ± B)	 = sin A cos B ± cos A sin B
			 cos (A ± B)	= cos A cos B  sin A sin B
				 sin 2A	 = 2sin A cos A
				 cos 2A	 = cos2
A – sin2
A
					= 2cos2
A – 1
					= 1 – 2sin2
A
Table of standard derivatives:	
Table of standard integrals:
Page two[X100/12/03]
g f c2 2
+ − .
a
a
a
b
b
b
1
2
3
1
2
3




















and =b
±
f(x) f ′(x)
sin ax
cos ax
a cos ax
–a sin ax
f(x) ∫ f (x)dx
sin ax
cos ax
cos ax + C
sin ax + C
− 1
a
− 1
a
[X100/12/03]
Marks
4
3
3
3
Page three
[Turn over
ALL questions should be attempted.
	1.	 The first three terms of a sequence are 4, 7 and 16.
		 The sequence is generated by the recurrence relation
			 un+1 = mun +  c, with u1 = 4.
Find the values of m and c.
	2.	 The diagram shows rectangle PQRS with P(7, 2) and Q(5, 6).
		(a)	 Find the equation of QR.
		(b)	 The line from P with the equation x + 3y = 13 intersects QR at T.
	 Find the coordinates of T.
(c)	 Given that T is the midpoint of QR, find the coordinates of R and S.
O
O
P(7, 2)
P(7, 2)
x
x
y
y
Q(5, 6)
Q(5, 6)
R
R
T
S
S
[X100/12/03]
	3.	 (a)	 Given that (x – 1) is a factor of x3
+ 3x2
+ x – 5, factorise this cubic fully.
		(b)	 Show that the curve with equation
y = x4
+ 4x3
+ 2x2
– 20x + 3
has only one stationary point.
Find the x-coordinate and determine the nature of this point.
	4.	 The line with equation y = 2x + 3 is a tangent to the curve with equation
y = x3
+ 3x2
+ 2x + 3 at A(0, 3), as shown in the diagram.
			
The line meets the curve again at B.
Show that B is the point (–3, –3) and find the area enclosed by the line and the curve.
	5.	 Solve the equation
										 where x is a real number.
	
Page four
Marks
4
5
6
4
y = 2x + 3
y = x3
+ 3x2
+ 2x + 3
x
y
A(0, 3)
O
B
log log ,5 53 2 2 1−( )+ +( ) =x x
[X100/12/03] Page five
	6.	 Given that
		 calculate the value of a.			
	7.	 A manufacturer is asked to design an open-ended shelter, as shown, subject to the
following conditions.
	 	(a)	 Show that the total length, L metres, of the rods used in a shelter is given by 	
(b)	 These rods cost £8·25 per metre.
	 To minimise production costs, the total length of rods used for a frame should
be as small as possible.
	 (i)	 Find the value of x for which L is a minimum.
	 (ii)	 Calculate the minimum cost of a frame.
	8.	 Solve algebraically the equation
Marks
5
3
7
6
Condition 1
The frame of a shelter is to be made of rods of two
different lengths:
•	 x metres for top and bottom edges;
•	 y metres for each sloping edge.
Condition 2
The frame is to be covered by a rectangular sheet of material.
The total area of the sheet is 24 m2
.
L x
x
= +3 48.
x
y
[Turn over for Question 9 on Page six
sin cos2 2 2
x x= ≤for 0 < 2x π
5 3
10
3
0
0
sin , ,x dx a
a
∫ = ≤ < π
9.	 The concentration of the pesticide, Xpesto, in soil can be modelled by the equation		
			 	
							Pt = P0 e–kt
 	
		where:
•	 	 P0 is the initial concentration;
•	 	 Pt is the concentration at time t;
•	 	 t is the time, in days, after the application of the pesticide.
(a)	 Once in the soil, the half-life of a pesticide is the time taken for its concentration
to be reduced to one half of its initial value.
	 If the half-life of Xpesto is 25 days, find the value of k to 2 significant figures.
(b)	 Eighty days after the initial application, what is the percentage decrease in
concentration of Xpesto?
[X100/12/03] Page six
[END OF QUESTION PAPER]
Marks
4
3
[BLANK PAGE]
[BLANK PAGE]

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Higher papers 2007 - 2013

  • 1. Read Carefully 1 Calculators may NOT be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. © X100/301 N A T I O N A L T U E S D A Y , 1 5 M A Y Q U A L I F I C A T I O N S 9 . 0 0 A M – 1 0 . 1 0 A M 2 0 0 7 MATHEMATICS HIGHER Units 1, 2 and 3 Paper 1 (Non-calculator) LI X100/301 6/27370 *X100/301*
  • 2. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page two[X100/301] a1 a2 a3 b1 b2 b3 and b = . 2 2 .+ −g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫
  • 3. ALL questions should be attempted. 1. Find the equation of the line through the point (–1, 4) which is parallel to the line with equation 3x – y + 2 = 0. 2. Relative to a suitable coordinate system A and B are the points (–2, 1, –1) and (1, 3, 2) respectively. A, B and C are collinear points and C is positioned such that BC = 2AB. Find the coordinates of C. 3. Functions f and g, defined on suitable domains, are given by f(x) = x2 + 1 and g(x) = 1 – 2x. Find: (a) g(f(x)); (b) g(g(x)). 4. Find the range of values of k such that the equation kx2 – x – 1 = 0 has no real roots. 5. The large circle has equation x2 + y2 – 14x – 16y + 77 = 0. Three congruent circles with centres A, B and C are drawn inside the large circle with the centres lying on a line parallel to the x-axis. This pattern is continued, as shown in the diagram. Find the equation of the circle with centre D. Page three Marks 3 4 2 2 4 5 [X100/301] [Turn over A B C y O A B C D x
  • 4. 6. Solve the equation sin 2x ° = 6cos x ° for 0 ≤ x ≤ 360. 7. A sequence is defined by the recurrence relation (a) Calculate the values of u1, u2 and u3. Four terms of this sequence, u1, u2, u3 and u4 are plotted as shown in the graph. As n → ∞, the points on the graph approach the line un = k, where k is the limit of this sequence. (b) (i) Give a reason why this sequence has a limit. (ii) Find the exact value of k. 8. The diagram shows a sketch of the graph of y = x3 – 4x2 + x + 6. (a) Show that the graph cuts the x-axis at (3, 0). (b) Hence or otherwise find the coordinates of A. (c) Find the shaded area. 9. A function f is defined by the formula f(x) = 3x – x3 . (a) Find the exact values where the graph of y = f(x) meets the x- and y-axes. (b) Find the coordinates of the stationary points of the function and determine their nature. (c) Sketch the graph of y = f(x). Page four Marks 4 3 3 1 3 5 2 7 1 [X100/301] 1 0 1 16, 0. 4n nu u u+ = + = un k n1 2 3 4 un = k xO A B y
  • 5. 10. Given that 11. (a) Express f(x) = cos x + sin x in the form kcos (x – a), where k > 0 and 0 < a < (b) Hence or otherwise sketch the graph of y = f(x) in the interval 0 ≤ x ≤ 2π. [END OF QUESTION PAPER] Page five Marks 3 4 4 [X100/301] 2 3 2, find . dy y x dx = + 3 . 2 π
  • 9. Read Carefully 1 Calculators may be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. © X100/303 N A T I O N A L T U E S D A Y , 1 5 M A Y Q U A L I F I C A T I O N S 1 0 . 3 0 A M – 1 2 . 0 0 N O O N 2 0 0 7 MATHEMATICS HIGHER Units 1, 2 and 3 Paper 2 LI X100/303 6/27370 *X100/303*
  • 10. Page two[X100/303] FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: a1 a2 a3 b1 b2 b3 and b = . 2 2 .+ −g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫
  • 11. ALL questions should be attempted. 1. OABCDEFG is a cube with side 2 units, as shown in the diagram. B has coordinates (2, 2, 0). P is the centre of face OCGD and Q is the centre of face CBFG. (a) Write down the coordinates of G. (b) Find p and q, the position vectors of points P and Q. (c) Find the size of angle POQ. 2. The diagram shows two right-angled triangles with angles c and d marked as shown. (a) Find the exact value of sin (c + d). (b) (i) Find the exact value of sin 2c. (ii) Show that cos 2d has the same exact value. 3. Show that the line with equation y = 6 – 2x is a tangent to the circle with equation x2 + y2 + 6x – 4y – 7 = 0 and find the coordinates of the point of contact of the tangent and the circle. 4. The diagram shows part of the graph of a function whose equation is of the form y = asin (bx °) + c. (a) Write down the values of a, b and c. (b) Determine the exact value of the x-coordinate of P, the point where the graph intersects the x-axis as shown in the diagram. Page three Marks 1 2 5 4 4 6 3 3 [X100/303] [Turn over A B (2, 2, 0) D G F E O z x y P C Q c 2 3 1 d y 1 –1 –2 –3 O 60 ° 120 ° P x
  • 12. 5. A circle centre C is situated so that it touches the parabola with equation at P and Q. (a) The gradient of the tangent to the parabola at Q is 4. Find the coordinates of Q. (b) Find the coordinates of P. (c) Find the coordinates of C, the centre of the circle. 6. A householder has a garden in the shape of a right-angled isosceles triangle. It is intended to put down a section of rectangular wooden decking at the side of the house, as shown in the diagram. (a) (i) Find the exact value of ST. (ii) Given that the breadth of the decking is x metres, show that the area of the decking, A square metres, is given by (b) Find the dimensions of the decking which maximises its area. 7. Find the value of 8. The curve with equation y = log3(x – 1) – 2.2, where x > 1, cuts the x-axis at the point (a, 0). Find the value of a. Page four Marks 5 2 2 3 5 4 4 [X100/303] 21 2 8 34y x x= − + y O P Q C x T Side Wall Decking 2 0 sin(4 1) .x dx+ ∫ S 10 m x m 10 m 2 10 2 2 .A x x= −( )
  • 13. 9. The diagram shows the graph of y = ax , a > 1. On separate diagrams, sketch the graphs of: (a) y = a–x ; (b) y = a1–x . 10. The diagram shows the graphs of a cubic function y = f(x) and its derived function y = f′(x). Both graphs pass through the point (0, 6). The graph of y = f′(x) also passes through the points (2, 0) and (4, 0). (a) Given that f′(x) is of the form k(x – a)(x – b): (i) write down the values of a and b; (ii) find the value of k. (b) Find the equation of the graph of the cubic function y = f(x). 11. Two variables x and y satisfy the equation y = 3 × 4x . (a) Find the value of a if (a, 6) lies on the graph with equation y = 3 × 4x . (b) If ( ) also lies on the graph, find b. (c) A graph is drawn of log10y against x. Show that its equation will be of the form log10y = Px + Q and state the gradient of this line. [END OF QUESTION PAPER] Page five Marks 2 2 3 4 1 1 4 [X100/303] y 1 (1, a) y = ax x y 6 O O 2 4 x y = f(x) y = f′(x) 1 2 , b−
  • 17. Read carefully Calculators may NOT be used in this paper. Section A – Questions 1–20 (40 marks) Instructions for completion of Section A are given on page two. For this section of the examination you must use an HB pencil. Section B (30 marks) 1 Full credit will be given only where the solution contains appropriate working. 2 Answers obtained by readings from scale drawings will not receive any credit. MATHEMATICS HIGHER Paper 1 (Non-calculator) N A T I O N A L T U E S D A Y , 2 0 M A Y Q U A L I F I C A T I O N S 9 . 0 0 A M – 1 0 . 3 0 A M 2 0 0 8 X100/301 ©LI X100/301 6/27670 *X100/301*
  • 18. Read carefully 1 Check that the answer sheet provided is for Mathematics Higher (Section A). 2 For this section of the examination you must use an HB pencil and, where necessary, an eraser. 3 Check that the answer sheet you have been given has your name, date of birth, SCN (Scottish Candidate Number) and Centre Name printed on it. Do not change any of these details. 4 If any of this information is wrong, tell the Invigilator immediately. 5 If this information is correct, print your name and seat number in the boxes provided. 6 The answer to each question is either A, B, C or D. Decide what your answer is, then, using your pencil, put a horizontal line in the space provided (see sample question below). 7 There is only one correct answer to each question. 8 Rough working should not be done on your answer sheet. 9 At the end of the exam, put the answer sheet for Section A inside the front cover of your answer book. Sample Question A curve has equation y = x3 – 4x. What is the gradient at the point where x = 2? A 8 B 1 C 0 D –4 The correct answer is A—8. The answer A has been clearly marked in pencil with a horizontal line (see below). Changing an answer If you decide to change your answer, carefully erase your first answer and using your pencil, fill in the answer you want. The answer below has been changed to D. A B C D A B C D Page two[X100/301]
  • 19. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page three a1 a2 a3 b1 b2 b3 and b = . + −2 2 .g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫ [X100/301] [Turn over
  • 20. SECTION A ALL questions should be attempted. 1. A sequence is defined by the recurrence relation un+1 = 0.3un + 6 with u10 = 10. What is the value of u12? A 6.6 B 7.8 C 8.7 D 9.6 2. The x-axis is a tangent to a circle with centre (–7, 6) as shown in the diagram. What is the equation of the circle? A (x + 7)2 + (y – 6)2 = 1 B (x + 7)2 + (y – 6)2 = 49 C (x – 7)2 + (y + 6)2 = 36 D (x + 7)2 + (y – 6)2 = 36 3. The vectors u = and v = are perpendicular. What is the value of k? A 0 B 3 C 4 D 5 Page four[X100/301] y O x C(–7, 6) a1 a2 a3 − 1 k a1 a2 a3 0 4 k −1
  • 21. Page five 4. A sequence is generated by the recurrence relation un+1 = 0.4un – 240. What is the limit of this sequence as n → ∞ ? A – 800 B – 400 C 200 D 400 5. The diagram shows a circle, centre (2, 5) and a tangent drawn at the point (7, 9). What is the equation of this tangent? A y – 9 = (x – 7) B y + 9 = (x + 7) C y – 7 = (x – 9) D y + 9 = (x + 7) [X100/301] y O x (2, 5) (7, 9) − 5 4 4 5 − 4 5 5 4 [Turn over
  • 22. Page six 6. What is the solution of the equation ? 7. The diagram shows a line L; the angle between L and the positive direction of the x-axis is 135°, as shown. What is the gradient of line L? [X100/301] π π π π A 6 2 B 3 3 C 4 5 D 6 π π− = ≤ ≤2sin 3 0 where 2 x x y O x 135° L − − − 1 A 2 3 B 2 C 1 1 D 2 − 1 2 −1 1 2
  • 23. Page seven 8. The diagram shows part of the graph of a function with equation y = f(x). Which of the following diagrams shows the graph with equation y = –f(x – 2)? [X100/301] y O x (0, 4) (3, –3) A y O x (2, 4) (5, –3) C y O x (3, 5) (0, –2) B y O x (1, 3) (–2, –4) D y O x (5, 3) (2, –4) [Turn over
  • 24. Page eight 9. Given that , find an expression for sin(x + a). 10. Here are two statements about the roots of the equation x2 + x + 1 = 0: (1) the roots are equal; (2) the roots are real. Which of the following is true? A Neither statement is correct. B Only statement (1) is correct. C Only statement (2) is correct. D Both statements are correct. 11. E(–2, –1, 4), P(1, 5, 7) and F(7, 17, 13) are three collinear points. P lies between E and F. What is the ratio in which P divides EF? A 1:1 B 1:2 C 1:4 D 1:6 3 A sin 5 4 3 B sin cos 5 5 3 4 C sin 5 5 2 3 D sin cos 5 5 x x x x x x + + − − [X100/301] π ≤ ≤ = 3 0 and sin 2 5 a a cosx
  • 25. Page nine 12. In the diagram RSTU, VWXY represents a cuboid. represents vector f, represents vector g and represents vector h. Express in terms of f, g and h. A B C D 13. The diagram shows part of the graph of a quadratic function y = f(x). The graph has an equation of the form y = k(x – a)(x – b). What is the equation of the graph? A y = 3(x – 1)(x – 4) B y = 3(x + 1)(x + 4) C y = 12(x – 1)(x – 4) D y = 12(x + 1)(x + 4) [X100/301] SR ST SW VT W XV Y R U T S gf h = + +VT f g h = − +VT f g h = − + −VT f g h = − − +VT f g h y O x 12 1 4 y = f(x) [Turn over → → → → → → → →
  • 26. Page ten 14. (2x + 3) dx. A –4cos (2x + 3) + c B –2cos (2x + 3) + c C 4cos (2x + 3) + c D 8cos (2x + 3) + c 15. What is the derivative of (x3 + 4)2 ? A (3x2 + 4)2 B (x3 + 4)3 C 6x2 (x3 + 4) D 2(3x2 + 4)–1 16. 2x2 + 4x + 7 is expressed in the form 2(x + p)2 + q. What is the value of q? A 5 B 7 C 9 D 11 17. A function f is given by f(x) = What is a suitable domain of f ? A x ≥ 3 B x ≤ 3 C –3 ≤ x ≤ 3 D –9 ≤ x ≤ 9 [X100/301] ∫Find 4sin 1 3 2 9 .x−
  • 27. 18. Vectors p and q are such that |p| = 3, |q| = 4 and p.q = 10. Find the value of q.(p + q). A 0 B 14 C 26 D 28 19. The diagram shows part of the graph whose equation is of the form y = 2mx . What is the value of m? A 2 B 3 C 8 D 18 20. The diagram shows part of the graph of y = log3(x – 4). The point (q, 2) lies on the graph. What is the value of q? A 6 B 7 C 8 D 13 [END OF SECTION A] Page eleven[X100/301] y x (3, 54) y O x y = log3(x – 4) (q, 2) (5, 0) [Turn over for Section B on Page twelve O
  • 28. Page twelve ALL questions should be attempted. 21. A function f is defined on the set of real numbers by f(x) = x3 – 3x + 2. (a) Find the coordinates of the stationary points on the curve y = f(x) and determine their nature. (b) (i) Show that (x – 1) is a factor of x3 – 3x + 2. (ii) Hence or otherwise factorise x3 – 3x + 2 fully. (c) State the coordinates of the points where the curve with equation y = f(x) meets both the axes and hence sketch the curve. 22. The diagram shows a sketch of the curve with equation y = x3 – 6x2 + 8x. (a) Find the coordinates of the points on the curve where the gradient of the tangent is –1. (b) The line y = 4 – x is a tangent to this curve at a point A. Find the coordinates of A. 23. Functions f, g and h are defined on suitable domains by f(x) = x2 – x + 10, g(x) = 5 – x and h(x) = log2 x. (a) Find expressions for h(f(x)) and h(g(x)). (b) Hence solve h(f(x)) – h(g(x)) = 3. Marks 6 5 4 5 2 3 5 y = x3 – 6x2 + 8x y O x SECTION B [END OF SECTION B] [END OF QUESTION PAPER] [X100/301]
  • 29. Read Carefully 1 Calculators may be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. MATHEMATICS HIGHER Paper 2 N A T I O N A L T U E S D A Y , 2 0 M A Y Q U A L I F I C A T I O N S 1 0 . 5 0 A M – 1 2 . 0 0 N O O N 2 0 0 8 X100/302 ©LB X100/302 6/27670 *X100/302*
  • 30. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page two a1 a2 a3 b1 b2 b3 and b = . + −2 2 .g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫ [X100/302]
  • 31. Page three ALL questions should be attempted. 1. The vertices of triangle ABC are A(7, 9), B(–3, –1) and C(5, –5) as shown in the diagram. The broken line represents the perpendicular bisector of BC. (a) Show that the equation of the perpendicular bisector of BC is y = 2x – 5. (b) Find the equation of the median from C. (c) Find the coordinates of the point of intersection of the perpendicular bisector of BC and the median from C. 2. The diagram shows a cuboid OABC, DEFG. F is the point (8, 4, 6). P divides AE in the ratio 2:1. Q is the midpoint of CG. (a) State the coordinates of P and Q. (b) Write down the components of (c) Find the size of angle QPA. Marks 4 3 3 2 2 5 A B O C x F(8, 4, 6) O Gz D A x Q [X100/302] [Turn over y PQ and PA. y C P E B → →
  • 32. Page four 3. (a) (i) Diagram 1 shows part of the graph of y = f(x),where f(x) = pcos x. Write down the value of p. (ii) Diagram 2 shows part of the graph of y = g(x), where g(x) = qsin x. Write down the value of q. (b) Write f(x) + g(x) in the form kcos (x + a) where k > 0 and 0 < a < (c) Hence find as a single trigonometric expression. 4. (a) Write down the centre and calculate the radius of the circle with equation x2 + y2 + 8x + 4y – 38 = 0. (b) A second circle has equation (x – 4)2 + (y – 6)2 = 26. Find the distance between the centres of these two circles and hence show that the circles intersect. (c) The line with equation y = 4 – x is a common chord passing through the points of intersection of the two circles. Find the coordinates of the points of intersection of the two circles. 5. Solve the equation cos 2x ° + 2sin x ° = sin2 x ° in the interval 0 ≤ x < 360. Marks 2 4 2 2 4 5 5 y Diagram 1 O x [X100/302] 7 π 7− –π y Diagram 2 O xπ –3 2π 3 . 2 π ( ) ( )f x g x+′ ′
  • 33. Page five [END OF QUESTION PAPER] 6. In the diagram, Q lies on the line joining (0, 6) and (3, 0). OPQR is a rectangle, where P and R lie on the axes and OR = t. (a) Show that QR = 6 – 2t. (b) Find the coordinates of Q for which the rectangle has a maximum area. 7. The parabola shown in the diagram has equation y = 32 – 2x2 . The shaded area lies between the lines y = 14 and y = 24. Calculate the shaded area. Marks 3 6 8 y Q 6 xtO P R 3 y y = 24 y = 14 xO [X100/302]
  • 37. Read carefully Calculators may NOT be used in this paper. Section A – Questions 1–20 (40 marks) Instructions for completion of Section A are given on page two. For this section of the examination you must use an HB pencil. Section B (30 marks) 1 Full credit will be given only where the solution contains appropriate working. 2 Answers obtained by readings from scale drawings will not receive any credit. MATHEMATICS HIGHER Paper 1 (Non-calculator) N A T I O N A L T H U R S D A Y , 2 1 M A Y Q U A L I F I C A T I O N S 9 . 0 0 A M – 1 0 . 3 0 A M 2 0 0 9 X100/301 ©LI X100/301 6/29520 *X100/301*
  • 38. Read carefully 1 Check that the answer sheet provided is for Mathematics Higher (Section A). 2 For this section of the examination you must use an HB pencil and, where necessary, an eraser. 3 Check that the answer sheet you have been given has your name, date of birth, SCN (Scottish Candidate Number) and Centre Name printed on it. Do not change any of these details. 4 If any of this information is wrong, tell the Invigilator immediately. 5 If this information is correct, print your name and seat number in the boxes provided. 6 The answer to each question is either A, B, C or D. Decide what your answer is, then, using your pencil, put a horizontal line in the space provided (see sample question below). 7 There is only one correct answer to each question. 8 Rough working should not be done on your answer sheet. 9 At the end of the exam, put the answer sheet for Section A inside the front cover of your answer book. Sample Question A curve has equation y = x3 – 4x. What is the gradient at the point where x = 2? A 8 B 1 C 0 D –4 The correct answer is A—8. The answer A has been clearly marked in pencil with a horizontal line (see below). Changing an answer If you decide to change your answer, carefully erase your first answer and, using your pencil, fill in the answer you want. The answer below has been changed to D. A B C D A B C D Page two[X100/301]
  • 39. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page three a1 a2 a3 b1 b2 b3 and b = . + −2 2 .g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫ [X100/301] [Turn over
  • 40. SECTION A ALL questions should be attempted. 1. A sequence is defined by un + 1 = 3un + 4 with u1 = 2. What is the value of u3? A 34 B 21 C 18 D 13 2. A circle has equation x2 + y2 + 8x + 6y – 75 = 0. What is the radius of this circle? A 5 B 10 C D 3. Triangle PQR has vertices at P(–3, –2), Q(–1, 4) and R(3, 6). PS is a median. What is the gradient of PS? A – 2 B C 1 D 4. A curve has equation y = 5x3 – 12x. What is the gradient of the tangent at the point (1, –7)? A –7 B –5 C 3 D 5 Page four[X100/301] 75 175 7 4 − 7 4
  • 41. 5. Here are two statements about the points S(2, 3) and T(5, –1): (1) The length of ST = 5 units; (2) The gradient of ST = Which of the following is true? A Neither statement is correct. B Only statement (1) is correct. C Only statement (2) is correct. D Both statements are correct. 6. A sequence is generated by the recurrence relation un+1 = 0.7un + 10. What is the limit of this sequence as n → ∞? 7. If the exact value of cos x is find the exact value of cos 2x. Page five[X100/301] 4 . 3 100 A 3 100 B 7 17 C 100 3 D 10 − − 3 A 5 2 B 5 2 C 5 3 D 5 1 , 5 [Turn over
  • 42. Page six 8. What is the derivative of 9. The line with equation y = 2x intersects the circle with equation x2 + y2 = 5 at the points J and K. What are the x-coordinates of J and K? A xJ = 1, xK = –1 B xJ = 2, xK = –2 C xJ = 1, xK = –2 D xJ = –1, xK = 2 [X100/301] 3 1 , 0? 4 x x ≠ − − 2 2 4 4 1 A 12 1 B 12 4 C 3 D 4 x x x x
  • 43. Page seven 10. Which of the following graphs has equation y = log5(x – 2)? [X100/301] A y O x (7, 1) (3, 0) C y O x (3, 1) (–1, 0) B y O x (1, 7) (0, 3) D y O x (1, 7) (7, 1) [Turn over
  • 44. Page eight 11. How many solutions does the equation (4 sin x – )(sin x + 1) = 0 have in the interval 0 ≤ x < 2π? A 4 B 3 C 2 D 1 12. A function f is given by f(x) = 2x2 – x – 9. Which of the following describes the nature of the roots of f(x) = 0? A No real roots B Equal roots C Real distinct roots D Rational distinct roots 13. k and a are given by k sin a ° = 1 k cos a ° = where k > 0 and 0 ≤ a < 90. What are the values of k and a? k a A 2 60 B 2 30 C 60 D 30 14. If f(x) = 2sin 3x – + 5, what is the range of values of f(x)? A –1 ≤ f(x) ≤ 11 B 2 ≤ f(x) ≤ 8 C 3 ≤ f(x) ≤ 7 D –3 ≤ f(x) ≤ 7 [X100/301] 5 3 10 10 ( )π 2
  • 45. Page nine 15. The line GH makes an angle of radians with the y-axis, as shown in the diagram. What is the gradient of GH? A B C D 16. The graph of y = 4x3 – 9x2 is shown in the diagram. Which of the following gives the area of the shaded section? [X100/301] 6 π 3 1 2 1 2 3 2 y O G x H 6 π y O 1 –5 x y = 4x3 – 9x2 04 3 5 14 3 0 02 5 12 0 A 3 B 3 C 12 18 D 12 18 x x x x x x x x − − ⎡ ⎤−⎣ ⎦ ⎡ ⎤− −⎣ ⎦ ⎡ ⎤−⎣ ⎦ ⎡ ⎤− −⎣ ⎦ [Turn over
  • 46. Page ten 17. The vector u has components Which of the following is a unit vector parallel to u? A B –3i + 4k C D 18. Given that f(x) = (4 – 3x2 ) on a suitable domain, find f′(x). A –3x(4 – 3x2 ) B (4 – 6x) C 2(4 – 3x3 ) D 3x(4 – 3x2 ) 19. For what values of x is 6 + x – x2 < 0? A x > 3 only B x < –2 only C x < –2, x > 3 D –3 < x < 2 20. A = 2πr2 + 6πr. What is the rate of change of A with respect to r when r = 2? A 10π B 12π C 14π D 20π [END OF SECTION A] [X100/301] 3 0 . 4 −⎛ ⎞ ⎜ ⎟ ⎜ ⎟ ⎜ ⎟ ⎝ ⎠ 3 4 5 5 − +i k 3 4 7 7 − +i k 1 1 3 4 − +i k 1 2 − 1 2 − 3 2 − 1 2 3 2 − 1 2 −
  • 47. Page eleven ALL questions should be attempted. 21. Triangle PQR has vertex P on the x-axis, as shown in the diagram. Q and R are the points (4, 6) and (8, –2) respectively. The equation of PQ is 6x – 7y + 18 = 0. (a) State the coordinates of P. (b) Find the equation of the altitude of the triangle from P. (c) The altitude from P meets the line QR at T. Find the coordinates of T. 22. D, E and F have coordinates (10, –8, –15), (1, –2, –3) and (–2, 0, 1) respectively. (a) (i) Show that D, E and F are collinear. (ii) Find the ratio in which E divides DF. (b) G has coordinates (k, 1, 0). Given that DE is perpendicular to GE, find the value of k. 23. The diagram shows a sketch of the function y = f(x). (a) Copy the diagram and on it sketch the graph of y = f(2x). (b) On a separate diagram sketch the graph of y = 1 – f(2x). Marks 1 3 4 4 4 2 3 6x – 7y + 18 = 0 y O T P Q(4, 6) R(8, –2) x y = f(x) y O (2, 8) (–4, 8) x SECTION B [X100/301] [Turn over for Question 24 on Page twelve
  • 48. [END OF SECTION B] [END OF QUESTION PAPER] Page twelve 24. (a) Using the fact that find the exact value of sin (b) Show that sin(A + B) + sin(A – B) = 2sin A cos B. (c) (i) Express in terms of (ii) Hence or otherwise find the exact value of sin + sin Marks 3 2 4 [X100/301] 7 , 12 3 4 π π π= + 12 π and . 3 4 π π 7 . 12 π ( ) 7 12 π ( ) . 12 π ( )
  • 49. Read Carefully 1 Calculators may be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. MATHEMATICS HIGHER Paper 2 N A T I O N A L T H U R S D A Y , 2 1 M A Y Q U A L I F I C A T I O N S 1 0 . 5 0 A M – 1 2 . 0 0 N O O N 2 0 0 9 X100/302 ©LI X100/302 6/29520 *X100/302*
  • 50. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page two a1 a2 a3 b1 b2 b3 and b = . + −2 2 .g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫ [X100/302]
  • 51. Page three ALL questions should be attempted. 1. Find the coordinates of the turning points of the curve with equation y = x3 – 3x2 – 9x + 12 and determine their nature. 2. Functions f and g are given by f(x) = 3x + 1 and g(x) = x2 – 2. (a) (i) Find p(x) where p(x) = f(g(x)). (ii) Find q(x) where q(x) = g(f(x)). (b) Solve p′(x) = q′(x). 3. (a) (i) Show that x = 1 is a root of x3 + 8x2 + 11x – 20 = 0. (ii) Hence factorise x3 + 8x2 + 11x – 20 fully. (b) Solve log2 (x + 3) + log2 (x2 + 5x – 4) = 3. 4. (a) Show that the point P(5, 10) lies on circle C1 with equation (x + 1)2 + (y – 2)2 = 100. (b) PQ is a diameter of this circle as shown in the diagram. Find the equation of the tangent at Q. (c) Two circles, C2 and C3 , touch circle C1 at Q. The radius of each of these circles is twice the radius of circle C1 . Find the equations of circles C2 and C3 . Marks 8 3 3 4 5 1 5 4 [X100/302] [Turn over y P(5, 10) O Q x
  • 52. Page four 5. The graphs of y = f(x) and y = g(x) are shown in the diagram. f(x) = –4 cos(2x) + 3 and g(x) is of the form g(x) = m cos(nx). (a) Write down the values of m and n. (b) Find, correct to one decimal place, the coordinates of the points of intersection of the two graphs in the interval (c) Calculate the shaded area. 6. The size of the human population, N, can be modelled using the equation N = N0ert where N0 is the population in 2006, t is the time in years since 2006, and r is the annual rate of increase in the population. (a) In 2006 the population of the United Kingdom was approximately 61 million, with an annual rate of increase of 1.6%. Assuming this growth rate remains constant, what would be the population in 2020? (b) In 2006 the population of Scotland was approximately 5.1 million, with an annual rate of increase of 0.43%. Assuming this growth rate remains constant, how long would it take for Scotland’s population to double in size? 7. Vectors p, q and r are represented on the diagram shown where angle ADC = 30 °. It is also given that |p| = 4 and|q| = 3. (a) Evaluate p.(q + r) and r.(p – q). (b) Find |q + r| and |p – q|. Marks 1 5 6 2 3 6 4 [X100/302] A pD 30 ° B r q C [END OF QUESTION PAPER] y xπ y = f(x) y = g(x) 7 3 0 –1 –30 .x π≤ ≤
  • 53. Read carefully Calculators may NOT be used in this paper. Section A – Questions 1–20 (40 marks) Instructions for completion of Section A are given on page two. For this section of the examination you must use an HB pencil. Section B (30 marks) 1 Full credit will be given only where the solution contains appropriate working. 2 Answers obtained by readings from scale drawings will not receive any credit. MATHEMATICS HIGHER Paper 1 (Non-calculator) N A T I O N A L Q U A L I F I C A T I O N S 2 0 1 0 F R I D A Y , 2 1 M A Y 9 . 0 0 A M – 1 0 . 3 0 A M X100/301 © LI X100/301 6/31310 *X100/301*
  • 54. Read carefully 1 Check that the answer sheet provided is for Mathematics Higher (Section A). 2 For this section of the examination you must use an HB pencil and, where necessary, an eraser. 3 Check that the answer sheet you have been given has your name, date of birth, SCN (Scottish Candidate Number) and Centre Name printed on it. Do not change any of these details. 4 If any of this information is wrong, tell the Invigilator immediately. 5 If this information is correct, print your name and seat number in the boxes provided. 6 The answer to each question is either A, B, C or D. Decide what your answer is, then, using your pencil, put a horizontal line in the space provided (see sample question below). 7 There is only one correct answer to each question. 8 Rough working should not be done on your answer sheet. 9 At the end of the exam, put the answer sheet for Section A inside the front cover of your answer book. Sample Question A curve has equation y = x3 – 4x. What is the gradient at the point where x = 2? A 8 B 1 C 0 D –4 The correct answer is A—8. The answer A has been clearly marked in pencil with a horizontal line (see below). Changing an answer If you decide to change your answer, carefully erase your first answer and, using your pencil, fill in the answer you want. The answer below has been changed to D. A B C D A B C D Page two[X100/301]
  • 55. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page three + −2 2 .g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫ [X100/301] [Turn over a1 a2 a3 b1 b2 b3 and b = .
  • 56. SECTION A ALL questions should be attempted. 1. A line L is perpendicular to the line with equation 2x – 3y – 6 = 0. What is the gradient of the line L? 2. A sequence is defined by the recurrence relation un + 1 = 2un + 3 and u0 = 1. What is the value of u2 ? A 7 B 10 C 13 D 16 3. Given that find 3u – 2v in component form. A B C D Page four[X100/301] 3 A 2 1 B 2 2 C 3 D 2 − − 2 0 1 – 1 2 4 and v = ,u = 4 – 1 – 5 4 – 4 11 8 – 1 5 8 – 4 – 5
  • 57. 4. The diagram shows the graph with equation of the form y = acos bx for 0 ≤ x ≤ 2π. What is the equation of this graph? A y = 2cos3x B y = 2cos2x C y = 3cos2x D y = 4cos3x 5. When x2 + 8x + 3 is written in the form (x + p)2 + q, what is the value of q? A –19 B –13 C –5 D 19 Page five[X100/301] [Turn over y 2 O π 2π –2 x
  • 58. Page six 6. The roots of the equation kx2 – 3x + 2 = 0 are equal. What is the value of k? 7. A sequence is generated by the recurrence relation un + 1 = + 7, with u0 = – 2. What is the limit of this sequence as n → ∞? [X100/301] 1 A 28 28 B 5 28 C 3 D 28 1 4 nu 9 A 8 8 B 9 8 C 9 9 D 8 − −
  • 59. Page seven 8. The equation of the circle shown in the diagram is x2 + y2 – 6x – 10y + 9 = 0. The x-axis and the line l are parallel tangents to the circle. What is the equation of line l? A y = 5 B y = 10 C y = 18 D y = 20 9. Find 10. The vectors xi + 5j + 7k and –3i + 2j – k are perpendicular. What is the value of x? A 0 B 1 C D [X100/301] [Turn over y l O x − − − − − − + − + + − + + − − + 5 5 3 3 2 A 5sin5 5 2 1 B sin5 5 5 2 1 C sin5 3 5 2 D 5sin5 3 x x c x x c x x c x x c 4 (2 cos5 ) .x x dx− +∫ 4 3 10 3
  • 60. 11. Functions f and g are defined on suitable domains by f(x) = cos x and g(x) = x + What is the value of 12. Page eight[X100/301] f g ( ) ? 6 π . 6 π 1 A 2 6 3 B 2 6 3 C 2 1 D 2 π π + + 5 1 If ( )= , 0, what is ( )?f x x f x x ′≠ 6 5 4 5 7 2 3 2 1 A 5 1 B 5 5 C 2 5 D 2 x x x x − − − − − − − − ( )
  • 61. Page nine 13. Which of the following diagrams shows a parabola with equation y = ax2 + bx + c, where • a > 0 • b2 – 4ac > 0? [X100/301] [Turn over A y O x B y O x C y O x D y O x
  • 62. Page ten 14. The diagram shows graphs with equations y = 14 – x2 and y = 2x2 + 2. Which of the following represents the shaded area? 15. The derivative of a function f is given by f ′(x) = x2 – 9. Here are two statements about f: (1) f is increasing at x = 1; (2) f is stationary at x = –3. Which of the following is true? A Neither statement is correct. B Only statement (1) is correct. C Only statement (2) is correct. D Both statements are correct. [X100/301] y 14 2 –2 2O y = 2x2 + 2 y = 14 – x2 x − − − − − − ∫ ∫ ∫ ∫ 14 2 2 14 2 2 2 2 2 2 2 2 A (12 3 ) B (3 12) C (12 3 ) D (3 12) x dx x dx x dx x dx
  • 63. Page eleven 16. The diagram shows the graph with equation y = k(x – 1)2 (x + t). What are the values of k and t? k t A –2 –5 B –2 5 C 2 –5 D 2 5 17. If s(t) = t2 – 5t + 8, what is the rate of change of s with respect to t when t = 3? A –5 B 1 C 2 D 9 18. What is the solution of x2 + 4x > 0, where x is a real number? A –4 < x < 0 B x < –4, x > 0 C 0 < x < 4 D x < 0, x > 4 [X100/301] [Turn over y 10 1 5O x
  • 64. Page twelve[X100/301] 19. The diagram shows the graph of y = f(x) where f is a logarithmic function. What is f(x)? A f(x) = log6(x – 3) B f(x) = log3(x + 3) C f(x) = log3(x – 3) D f(x) = log6(x + 3) 20. The diagram shows the graph of y = f(2x) – 3. What are the coordinates of the turning point on the graph of y = f(x)? A (12, 7) B (12, 1) C (3, 7) D (3, 1) y (6, 1) (4, 0)O x y (6, 4) y = f(2x) – 3 O x [END OF SECTION A] y = f(x)
  • 65. Page thirteen SECTION B ALL questions should be attempted. 21. Triangle ABC has vertices A(4, 0), B(–4, 16) and C(18, 20), as shown in the diagram opposite. Medians AP and CR intersect at the point T(6, 12). (a) Find the equation of median BQ. (b) Verify that T lies on BQ. (c) Find the ratio in which T divides BQ. 22. (a) (i) Show that (x – 1) is a factor of f(x) = 2x3 + x2 – 8x + 5. (ii) Hence factorise f(x) fully. (b) Solve 2x3 + x2 – 8x + 5 = 0. (c) The line with equation y = 2x – 3 is a tangent to the curve with equation y = 2x3 + x2 – 6x + 2 at the point G. Find the coordinates of G. (d) This tangent meets the curve again at the point H. Write down the coordinates of H. [X100/301] [Turn over for Question 23 on Page fourteen Marks 3 1 2 5 1 5 1 y B P C T O A R Q x
  • 66. [END OF SECTION B] [END OF QUESTION PAPER] Page fourteen 23. (a) Diagram 1 shows a right angled triangle, where the line OA has equation 3x – 2y = 0. (i) Show that (ii) Find the value of sina. (b) A second right angled triangle is added as shown in Diagram 2. The line OB has equation 3x – 4y = 0. Find the values of sinb and cosb. (c) (i) Find the value of sin(a – b). (ii) State the value of sin(b – a). Marks 4 4 4 [X100/301] y O x A a Diagram 1 = 3 tan . 2 a y O x A a Diagram 2 b B
  • 69. Read Carefully 1 Calculators may be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. © LI X100/302 6/31310 *X100/302* MATHEMATICS HIGHER Paper 2 N A T I O N A L Q U A L I F I C A T I O N S 2 0 1 0 F R I D A Y , 2 1 M A Y 1 0 . 5 0 A M – 1 2 . 0 0 N O O N X100/302
  • 70. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page two + −2 2 .g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫ [X100/302] a1 a2 a3 b1 b2 b3 and b = .
  • 71. Page three ALL questions should be attempted. 1. The diagram shows a cuboid OPQR,STUV relative to the coordinate axes. P is the point (4, 0, 0), Q is (4, 2, 0) and U is (4, 2, 3). M is the midpoint of OR. N is the point on UQ such that (a) State the coordinates of M and N. (b) Express VM and VN in component form. (c) Calculate the size of angle MVN. 2. (a) 12 cos x ° – 5 sin x ° can be expressed in the form k cos(x + a)°, where k > 0 and 0 ≤ a < 360. Calculate the values of k and a. (b) (i) Hence state the maximum and minimum values of 12 cos x ° – 5 sin x °. (ii) Determine the values of x, in the interval 0 ≤ x < 360, at which these maximum and minimum values occur. Marks 2 2 5 4 3 [X100/302] [Turn over z y S M T N R O P (4, 0, 0) Q (4, 2, 0) x = 1 3 UN UQ. → → U (4, 2, 3) V
  • 72. Page four 3. (a) (i) Show that the line with equation y = 3 – x is a tangent to the circle with equation x2 + y2 + 14x + 4y – 19 = 0. (ii) Find the coordinates of the point of contact, P. (b) Relative to a suitable set of coordinate axes, the diagram below shows the circle from (a) and a second smaller circle with centre C. The line y = 3 – x is a common tangent at the point P. The radius of the larger circle is three times the radius of the smaller circle. Find the equation of the smaller circle. 4. Solve 2 cos 2x – 5 cos x – 4 = 0 for 0 ≤ x < 2π. Marks 5 6 5 [X100/302] P C
  • 73. Page five 5. The parabolas with equations y = 10 – x2 and are shown in the diagram below. A rectangle PQRS is placed between the two parabolas as shown, so that: • Q and R lie on the upper parabola; • RQ and SP are parallel to the x-axis; • T, the turning point of the lower parabola, lies on SP. (a) (i) If TP = x units, find an expression for the length of PQ. (ii) Hence show that the area, A, of rectangle PQRS is given by A(x) = 12x – 2x3 . (b) Find the maximum area of this rectangle. Marks 3 6 [X100/302] 22 5 (10 )y x= − y = 10 – x2 y O R S T Q P x 22 5 (10 )y x= − [Turn over for Questions 6 and 7 on Page six
  • 74. Page six 6. (a) A curve has equation Show that the equation of the tangent to this curve at the point where x = 9 is (b) Diagram 1 shows part of the curve and the tangent. The curve cuts the x-axis at the point A. Find the coordinates of point A. (c) Calculate the shaded area shown in diagram 2. 7. (a) Given that log4 x = P, show that log16 x = (b) Solve log3x + log9x = 12. Marks 5 1 7 3 3 [X100/302] [END OF QUESTION PAPER] 1 2(2 9) .y x= − 1 3 .y x= y O x9 1 3 y x= 1 2(2 9)y x= − y O A A x9 1 3 y x= 1 2(2 9)y x= − Diagram 1 Diagram 2 1 2 P.
  • 77. Read carefully Calculators may NOT be used in this paper. Section A – Questions 1–20 (40 marks) Instructions for completion of Section A are given on page two. For this section of the examination you must use an HB pencil. Section B (30 marks) 1 Full credit will be given only where the solution contains appropriate working. 2 Answers obtained by readings from scale drawings will not receive any credit. MATHEMATICS HIGHER Paper 1 (Non-calculator) N A T I O N A L Q U A L I F I C A T I O N S 2 0 1 1 W E D N E S D A Y , 1 8 M A Y 9 . 0 0 A M – 1 0 . 3 0 A M X100/301 © LI X100/301 6/32010 *X100/301*
  • 78. Read carefully 1 Check that the answer sheet provided is for Mathematics Higher (Section A). 2 For this section of the examination you must use an HB pencil and, where necessary, an eraser. 3 Check that the answer sheet you have been given has your name, date of birth, SCN (Scottish Candidate Number) and Centre Name printed on it. Do not change any of these details. 4 If any of this information is wrong, tell the Invigilator immediately. 5 If this information is correct, print your name and seat number in the boxes provided. 6 The answer to each question is either A, B, C or D. Decide what your answer is, then, using your pencil, put a horizontal line in the space provided (see sample question below). 7 There is only one correct answer to each question. 8 Rough working should not be done on your answer sheet. 9 At the end of the exam, put the answer sheet for Section A inside the front cover of your answer book. Sample Question A curve has equation y = x3 – 4x. What is the gradient at the point where x = 2? A 8 B 1 C 0 D –4 The correct answer is A—8. The answer A has been clearly marked in pencil with a horizontal line (see below). Changing an answer If you decide to change your answer, carefully erase your first answer and, using your pencil, fill in the answer you want. The answer below has been changed to D. A B C D A B C D Page two[X100/301]
  • 79. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page three + −2 2 .g f c sinax cosa ax cosax sin−a ax ± ( )f x ( )′f x sinax 1 cos− +ax Ca cosax 1 sin +ax Ca ( )f x ( )f x dx∫ [X100/301] [Turn over a1 a2 a3 b1 b2 b3 and b = .
  • 80. SECTION A ALL questions should be attempted. 1. Given that p = , q = and r = , express 2p – q – in component form. 2. A line l has equation 3y + 2x = 6. What is the gradient of any line parallel to l? Page four[X100/301] A 2 2 B 3 3 C 2 D 2 − − 1 A 9 15 1 B 11 13 5 C 9 13 5 D 11 15 ⎛ ⎞ ⎜ ⎟ ⎜ ⎟ ⎜ ⎟−⎝ ⎠ ⎛ ⎞ ⎜ ⎟ ⎜ ⎟ ⎜ ⎟−⎝ ⎠ ⎛ ⎞ ⎜ ⎟ ⎜ ⎟ ⎜ ⎟−⎝ ⎠ ⎛ ⎞ ⎜ ⎟ ⎜ ⎟ ⎜ ⎟−⎝ ⎠ 1 2 r 2 5 7 ⎛ ⎞ ⎜ ⎟ ⎜ ⎟ −⎝ ⎠ 1 0 1 ⎛ ⎞ ⎜ ⎟ ⎜ ⎟ −⎝ ⎠ 4 2 0 −⎛ ⎞ ⎜ ⎟ ⎜ ⎟ ⎝ ⎠
  • 81. 3. The diagram shows the graph of y = f(x). Which of the following shows the graph of y = f(x + 2) – 1? Page five[X100/301] [Turn over • • y (1, 2) O (–2, –3) x A B C D • • y (–4, 3) O (–1, –2) x • • y 3 O (3, –2) x • • y (3, 1) O –4 x • • y (–1, 1) O (–4, –4) x
  • 82. Page six 4. A tangent to the curve with equation y = x3 – 2x is drawn at the point (2, 4). What is the gradient of this tangent? A 2 B 3 C 4 D 10 5. If x2 – 8x + 7 is written in the form (x – p)2 + q, what is the value of q? A –9 B –1 C 7 D 23 6. The point P(2, –3) lies on the circle with centre C as shown. The gradient of CP is –2. What is the equation of the tangent at P? A y + 3 = –2(x – 2) B y – 3 = –2(x + 2) C y + 3 = (x – 2) D y – 3 = (x + 2) 7. A function f is defined on the set of real numbers by f(x) = x3 – x2 + x + 3. What is the remainder when f(x) is divided by (x – 1)? A 0 B 2 C 3 D 4 [X100/301] y C O P(2, –3) x1 2 1 2
  • 83. Page seven 8. A line makes an angle of 30° with the positive direction of the x-axis as shown. What is the gradient of the line? 9. The discriminant of a quadratic equation is 23. Here are two statements about this quadratic equation: (1) the roots are real; (2) the roots are rational. Which of the following is true? A Neither statement is correct. B Only statement (1) is correct. C Only statement (2) is correct. D Both statements are correct. [X100/301] [Turn over y O 30° x 1 A 3 1 B 2 1 C 2 3 D 2
  • 84. 10. Solve 2 cos x = for x, where 0 ≤ x < 2π. 11. Find Page eight[X100/301] π π π π π π π π 5 A and 3 3 2 B and 3 3 5 C and 6 6 11 D and 6 6 − − − − − − − + − + − + − + 1 42 1 22 3 42 3 22 A 2 3 1 B 2 2 8 C 3 3 8 1 D 3 2 x x c x x c x x c x x c 3 1 32 4 , where 0.x x dx x− ⎛ ⎞ + >⎜ ⎟ ⎝ ⎠ ⌠ ⎮⎮ ⌡
  • 85. Page nine 12. The diagram shows two right-angled triangles with sides and angles as given. What is the value of sin( p + q )? 13. Given that f(x) = 4 sin 3x, find f′(0). A 0 B 1 C 12 D 36 [X100/301] [Turn over 2 3 2 p q 1 5 2 2 A 35 2 5 B 35 2 2 C 3 3 5 4 1 D 33 5 + + + +
  • 86. Page ten 14. An equilateral triangle of side 3 units is shown. The vectors p and q are as represented in the diagram. What is the value of p.q? A 9 B C D 0 15. Given that the points S(–4, 5, 1), T(–16, –4, 16) and U(–24, –10, 26) are collinear, calculate the ratio in which T divides SU. A 2 : 3 B 3 : 2 C 2 : 5 D 3 : 5 16. Find [X100/301] p q 9 2 9 2 3 3 3 3 1 A 9 1 B 1 C 1 D 12 c x c x c x c x − + − + + + 4 1 , where 0. 3 dx x x ≠⌠ ⎮ ⌡
  • 87. Page eleven[X100/301] 17. The diagram shows the graph of a cubic. What is the equation of this cubic? A y = –x(x + 1)(x – 2) B y = –x(x – 1)(x + 2) C y = x(x + 1)(x – 2) D y = x(x – 1)(x + 2) 18. If f(x) = (x – 3)(x + 5), for what values of x is the graph of y = f(x) above the x-axis? A –5 < x < 3 B –3 < x < 5 C x < –5, x > 3 D x < –3, x > 5 • y (1, 2) O–1 2 x [Turn over
  • 88. Page twelve 19. Which of the following diagrams represents the graph with equation log3 y = x? [X100/301] y (1, 3) O x A y (1, 1) O x B y (1, 3) O 1 x C y (3, 1) O 1 x D
  • 89. Page thirteen[X100/301] 20. On a suitable domain, D, a function g is defined by g(x) = sin2 Which of the following gives the real values of x in D and the corresponding values of g(x)? A x ≥ 0 and –1 ≤ g(x) ≤ 1 B x ≥ 0 and 0 ≤ g(x) ≤ 1 C x ≥ 2 and –1 ≤ g(x) ≤ 1 D x ≥ 2 and 0 ≤ g(x) ≤ 1 2.x − [END OF SECTION A] [Turn over for SECTION B
  • 90. Page fourteen SECTION B ALL questions should be attempted. 21. A quadrilateral has vertices A(–1, 8), B(7, 12), C(8, 5) and D(2, –3) as shown in the diagram. (a) Find the equation of diagonal BD. (b) The equation of diagonal AC is x + 3y = 23. Find the coordinates of E, the point of intersection of the diagonals. (c) (i) Find the equation of the perpendicular bisector of AB. (ii) Show that this line passes through E. [X100/301] Marks 2 3 5 y A B E O D C x
  • 91. [END OF SECTION B] [END OF QUESTION PAPER] Page fifteen 22. A function f is defined on the set of real numbers by f(x) = (x – 2)(x2 + 1). (a) Find where the graph of y = f(x) cuts: (i) the x-axis; (ii) the y-axis. (b) Find the coordinates of the stationary points on the curve with equation y = f(x) and determine their nature. (c) On separate diagrams sketch the graphs of: (i) y = f(x); (ii) y = –f(x). 23. (a) Solve cos 2x° – 3cosx° + 2 = 0 for 0 ≤ x < 360. (b) Hence solve cos 4x° – 3cos2x° + 2 = 0 for 0 ≤ x < 360. Marks 2 8 3 5 2 [X100/301]
  • 93. Read Carefully 1 Calculators may be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. © LI X100/302 6/32010 *X100/302* MATHEMATICS HIGHER Paper 2 N A T I O N A L Q U A L I F I C A T I O N S 2 0 1 1 W E D N E S D A Y , 1 8 M A Y 1 0 . 5 0 A M – 1 2 . 0 0 N O O N X100/302
  • 94. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a| |b| cos θ, where θ is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page two 2 2 .g f c+ − sinax cosa ax cosax sina ax− ± ( )f x ( )f x′ [X100/302] sinax 1 cosax Ca− + cosax 1 sinax Ca + ( )f x ( )f x dx∫
  • 95. ALL questions should be attempted. 1. D,OABC is a square based pyramid as shown in the diagram below. O is the origin, D is the point (2, 2, 6) and OA = 4 units. M is the mid-point of OA. (a) State the coordinates of B. (b) Express DB and DM in component form. (c) Find the size of angle BDM. 2. Functions f, g and h are defined on the set of real numbers by • f(x) = x3 – 1 • g(x) = 3x + 1 • h(x) = 4x – 5. (a) Find g(f(x)). (b) Show that g(f(x)) + xh(x) = 3x3 + 4x2 – 5x – 2. (c) (i) Show that (x – 1) is a factor of 3x3 + 4x2 – 5x – 2. (ii) Factorise 3x3 + 4x2 – 5x – 2 fully. (d) Hence solve g(f(x)) + xh(x) = 0. y M BC A D(2, 2, 6) Page three Marks 1 3 5 2 1 5 1 [X100/302] [Turn over z x O → →
  • 96. 3. (a) A sequence is defined by with u0 = –16. Write down the values of u1 and u2. (b) A second sequence is given by 4, 5, 7, 11, . . . . It is generated by the recurrence relation vn + 1 = pvn + q with v1 = 4. Find the values of p and q. (c) Either the sequence in (a) or the sequence in (b) has a limit. (i) Calculate this limit. (ii) Why does the other sequence not have a limit? 4. The diagram shows the curve with equation y = x3 – x2 – 4x + 4 and the line with equation y = 2x + 4. The curve and the line intersect at the points (–2, 0), (0, 4) and (3, 10). Calculate the total shaded area. 1 1 2n nu u+ = − Marks 1 3 3 10 y y = 2x + 4 y = x3 – x2 – 4x + 4 –2 O 3 x Page four[X100/302]
  • 97. Page five 5. Variables x and y are related by the equation y = kxn . The graph of log2 y against log2 x is a straight line through the points (0, 5) and (4, 7), as shown in the diagram. Find the values of k and n. 6. (a) The expression 3sinx – 5cosx can be written in the form R sin(x +a) where R > 0 and 0 ≤ a < 2π. Calculate the values of R and a. (b) Hence find the value of t, where 0 ≤ t ≤ 2, for which 7. Circle C1 has equation (x + 1)2 + (y – 1)2 = 121. A circle C2 with equation x2 + y2 – 4x + 6y + p = 0 is drawn inside C1. The circles have no points of contact. What is the range of values of p? Marks 5 4 7 9 [X100/302] log2 y O (0, 5) (4, 7) log2 x [END OF QUESTION PAPER] 0 (3cos 5sin ) 3. t x x dx+ =∫
  • 101. LI X100/12/02 6/28110 X100/12/02 *X100/12/02* © MATHEMATICS HIGHER Paper 1 (Non-calculator) Read carefully Calculators may NOT be used in this paper. Section A – Questions 1–20 (40 marks) Instructions for completion of Section A are given on Page two. For this section of the examination you must use an HB pencil. Section B (30 marks) 1 Full credit will be given only where the solution contains appropriate working. 2 Answers obtained by readings from scale drawings will not receive any credit. N A T I O N A L Q U A L I F I C A T I O N S 2 0 1 2 M O N D A Y , 2 1 M A Y 1 . 0 0 P M – 2 . 3 0 P M
  • 102. Read carefully 1 Check that the answer sheet provided is for Mathematics Higher (Section A). 2 For this section of the examination you must use an HB pencil and, where necessary, an eraser. 3 Check that the answer sheet you have been given has your name, date of birth, SCN (Scottish Candidate Number) and Centre Name printed on it. Do not change any of these details. 4 If any of this information is wrong, tell the Invigilator immediately. 5 If this information is correct, print your name and seat number in the boxes provided. 6 The answer to each question is either A, B, C or D. Decide what your answer is, then, using your pencil, put a horizontal line in the space provided (see sample question below). 7 There is only one correct answer to each question. 8 Rough working should not be done on your answer sheet. 9 At the end of the exam, put the answer sheet for Section A inside the front cover of your answer book. Sample Question A curve has equation y = x3 – 4x. What is the gradient at the point where x = 2? A 8 B 1 C 0 D – 4 The correct answer is A—8. The answer A has been clearly marked in pencil with a horizontal line (see below). Changing an answer If you decide to change your answer, carefully erase your first answer and, using your pencil, fill in the answer you want. The answer below has been changed to D. Page two[X100/12/02] A A B B C C D D
  • 103. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a||b| cos q, where q is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = . Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B  sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page three[X100/12/02] g f c2 2 + − . a a a b b b 1 2 3 1 2 3                     and =b ± f(x) f ′(x) sin ax cos ax a cos ax –a sin ax f(x) ∫ f (x)dx sin ax cos ax cos ax + C sin ax + C − 1 a − 1 a [Turn over
  • 104. SECTION A ALL questions should be attempted. 1. A sequence is defined by the recurrence relation un + 1 = 3un + 4, with u0 =1. Find the value of u2. A 7 B 10 C 25 D 35 2. What is the gradient of the tangent to the curve with equation y = x3 – 6x + 1 at the point where x = –2? A –24 B 3 C 5 D 6 3. If x2 – 6x + 14 is written in the form (x – p)2 + q, what is the value of q? A –22 B 5 C 14 D 50 4. What is the gradient of the line shown in the diagram? A B C D Page four[X100/12/02] 150 ° y xO − − − − 3 1 3 1 2 3 2
  • 105. 5. The diagram shows a right-angled triangle with sides and angles as marked. What is the value of cos2a? A B C D 6. If y = 3x–2 + 2x , x > 0, determine   . A B C D 7. If u = are perpendicular, what is the value of t? A –3 B –2 C D 1 Page five[X100/12/02] 5 a 4 3 7 25 3 5 24 25 6 5 3 2 − + − + − + − + − − − − 6 4 5 3 3 6 3 3 4 5 3 1 3 1 5 2 1 2 1 2 5 2 x x x x x x x x −          = −           3 1 2 1 1t tand v [Turn over dy dx 2 3
  • 106. 8. The volume of a sphere is given by the formula V = pr3 . What is the rate of change of V with respect to r, at r = 2? 9. The diagram shows the curve with equation of the form y = cos(x + a) + b for 0 ≤ x ≤ 2p. What is the equation of this curve? Page six[X100/12/02] A B C D 16 3 32 3 16 32 p p p p y O –2 2p x p 6 7 6 p A B C D y x y x y x y = −     − = −     + = +     − = cos cos cos c π π π 6 1 6 1 6 1 oos x +     + π 6 1 4 3
  • 107. 10. The diagram shows a square-based pyramid P,QRST. TS, TQ and TP represent f, g and h respectively. Express RP in terms of f, g and h. A –f + g – h B –f – g + h C  f – g – h D  f + g + h 11. Find dx, x ≠ 0. A –12x–3 + c B –6x–1 + c C – x–3 + c D – x–1 + c 12. Find the maximum value of and the value of x where this occurs in the interval 0 ≤ x ≤ 2p. Page seven[X100/12/02] R T P S Q f h g [Turn over 1 6 2 x      ∫ 1 3 1 6 2 3 3 − −    sin x π A B C D − − 1 6 5 6 1 6 5 6 11 11 5 5 π π π π max value x ∫
  • 108. 13. A parabola intersects the axes at x = –2, x = –1 and y = 6, as shown in the diagram. What is the equation of the parabola? A y = 6(x – 1)(x – 2) B y = 6(x + 1)(x + 2) C y = 3(x – 1)(x – 2) D y = 3(x + 1)(x + 2) 14. Find A B C D 15. If , where k>0 and u is a unit vector, determine the value of k. A B C D Page eight[X100/12/02] y O–2 6 –1 x 2 1 1 2 1 2x −( ) >∫ dx xwhere . A B C D 1 1 1 1 3 2 1 2 2 1 2 2 1 3 2 1 3 2 1 2 3 2 1 2 x c x c x c x c −( ) + −( ) + −( ) + −( ) + − − u= −           k 3 1 0 A B C D 1 2 1 8 1 2 1 10 ∫
  • 109. 16. If y = 3cos4 x, find . A 12cos3 x sin x B 12cos3 x C –12cos3 x sin x D –12sin3 x 17. Given that   , what is the value of a.b? C – 6 D –18 18. The graph of y = f(x) shown has stationary points at (0, p) and (q, r). Here are two statements about f(x): (1) f(x) < 0 for s < x < t; (2) f ′(x) < 0 for x < q. Which of the following is true? A Neither statement is correct. B Only statement (1) is correct. C Only statement (2) is correct. D Both statements are correct. Page nine[X100/12/02] y y = f(x) O (q, r) s t p x dy dx [Turn over a=           +( )= 3 0 74 and a. a b A B 7 25 18 5 −
  • 110. 19. Solve 6 – x – x2 < 0. A –3 < x < 2 B x < –3, x > 2 C –2 < x < 3 D x < –2, x > 3 20. Simplify , where a > 0 and b > 0. A 2 B 3a C logb3a D logb(9a2 – 3a) [END OF SECTION A] Page ten[X100/12/02] log 9 log b b a a 2 3
  • 111. SECTION B ALL questions should be attempted. 21. (a) (i) Show that (x – 4) is a factor of x3 – 5x2 + 2x + 8. (ii) Factorise x3 – 5x2 + 2x + 8 fully. (iii) Solve x3 – 5x2 + 2x + 8 = 0. (b) The diagram shows the curve with equation y = x3 – 5x2 + 2x + 8. The curve crosses the x-axis at P, Q and R. Determine the shaded area. 22. (a) The expression can be written in the form where k > 0 and 0 ≤ a < 2p. Calculate the values of k and a. (b) Find the points of intersection of the graph of with the x and y axes, in the interval 0 ≤ x ≤ 2p. Page eleven[X100/12/02] y O Q R y = x3 – 5x2 + 2x + 8 P x Marks 6 6 4 3 [Turn over for Question 23 on Page twelve cos sinx x− 3 k x acos +( ) y x x= −cos sin3
  • 112. 23. (a) Find the equation of l1, the perpendicular bisector of the line joining P(3, –3) to Q(–1, 9). (b) Find the equation of l2 which is parallel to PQ and passes through R(1, –2). (c) Find the point of intersection of l1 and l2. (d) Hence find the shortest distance between PQ and l2. [END OF SECTION B] [END OF QUESTION PAPER] Page twelve[X100/12/02] Marks 4 2 3 2
  • 113. LI X100/12/03 6/28110 X100/12/03 *X100/12/03* © MATHEMATICS HIGHER Paper 2 Read Carefully 1 Calculators may be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. N A T I O N A L Q U A L I F I C A T I O N S 2 0 1 2 M O N D A Y , 2 1 M A Y 2 . 5 0 P M – 4 . 0 0 P M
  • 114. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a||b| cos q, where q is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = . Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B  sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page two[X100/12/03] g f c2 2 + − . a a a b b b 1 2 3 1 2 3                     and =b ± f(x) f ′(x) sin ax cos ax a cos ax –a sin ax f(x) ∫ f (x)dx sin ax cos ax cos ax + C sin ax + C − 1 a − 1 a
  • 115. [X100/12/03] Marks 3 3 6 6 Page three [Turn over ALL questions should be attempted. 1. Functions f and g are defined on the set of real numbers by • f(x) = x2 + 3 • g(x) = x + 4. (a) Find expressions for: (i) f(g(x)); (ii) g(f(x)). (b) Show that f(g(x)) + g(f(x)) = 0 has no real roots. 2. (a) Relative to a suitable set of coordinate axes, Diagram 1 shows the line 2x – y + 5 = 0 intersecting the circle x2 + y2 – 6x –2y – 30 = 0 at the points P and Q. Find the coordinates of P and Q. (b) Diagram 2 shows the circle from (a) and a second congruent circle, which also passes through P and Q. Determine the equation of this second circle. Q Q P P Diagram 1 Diagram 2
  • 116. [X100/12/03] 3. A function f is defined on the domain 0 ≤ x ≤ 3 by f(x) = x3 – 2x2 – 4x + 6. Determine the maximum and minimum values of f. 4. The diagram below shows the graph of a quartic y = h(x), with stationary points at x = 0 and x = 2. On separate diagrams sketch the graphs of: (a) y = h'(x); (b) y = 2 – h'(x). 5. A is the point (3, –3, 0), B is (2, –3, 1) and C is (4, k, 0). (a) (i) Express BA and BC in component form. (ii) Show that cos ABC = · (b) If angle ABC = 30 °, find the possible values of k. Page four Marks 7 3 3 7 5 y 5 2O y = h(x) x 3 6 142 2( )k k+ + ^
  • 117. [X100/12/03] 6. For 0 < x < , sequences can be generated using the recurrence relation  . (a) Why do these sequences have a limit? (b) The limit of one sequence generated by this recurrence relation is . Find the value(s) of x. 7. The diagram shows the curves with equations and . The graphs intersect at the point T. (a) Show that the x – coordinate of T can be written in the form , for all a > 1. (b) Calculate the y – coordinate of T. Page five [END OF QUESTION PAPER] Marks 2 7 6 2 π 2 y O T y = 4x x log log a a p q u x u x un n+ = + =1 0 2 1(sin ) cos , with 1 2 sinx y x = − 32 y x = − 32 y x = 4
  • 121. LI X100/12/02 6/30310 X100/12/02 *X100/12/02* © MATHEMATICS HIGHER Paper 1 (Non-calculator) Read carefully Calculators may NOT be used in this paper. Section A – Questions 1–20 (40 marks) Instructions for completion of Section A are given on Page two. For this section of the examination you must use an HB pencil. Section B (30 marks) 1 Full credit will be given only where the solution contains appropriate working. 2 Answers obtained by readings from scale drawings will not receive any credit. N A T I O N A L Q U A L I F I C A T I O N S 2 0 1 3 W E D N E S D A Y , 2 2 M A Y 1 . 0 0 P M – 2 . 3 0 P M
  • 122. Read carefully 1 Check that the answer sheet provided is for Mathematics Higher (Section A). 2 For this section of the examination you must use an HB pencil and, where necessary, an eraser. 3 Check that the answer sheet you have been given has your name, date of birth, SCN (Scottish Candidate Number) and Centre Name printed on it. Do not change any of these details. 4 If any of this information is wrong, tell the Invigilator immediately. 5 If this information is correct, print your name and seat number in the boxes provided. 6 The answer to each question is either A, B, C or D. Decide what your answer is, then, using your pencil, put a horizontal line in the space provided (see sample question below). 7 There is only one correct answer to each question. 8 Rough working should not be done on your answer sheet. 9 At the end of the exam, put the answer sheet for Section A inside the front cover of your answer book. Sample Question A curve has equation y = x3 – 4x. What is the gradient at the point where x = 2? A 8 B 1 C 0 D – 4 The correct answer is A—8. The answer A has been clearly marked in pencil with a horizontal line (see below). Changing an answer If you decide to change your answer, carefully erase your first answer and, using your pencil, fill in the answer you want. The answer below has been changed to D. Page two[X100/12/02] A A B B C C D D
  • 123. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a||b| cos q, where q is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = . Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B  sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page three[X100/12/02] g f c2 2 + − . a a a b b b 1 2 3 1 2 3                     and =b ± f(x) f ′(x) sin ax cos ax a cos ax –a sin ax f(x) ∫ f (x)dx sin ax cos ax cos ax + C sin ax + C − 1 a − 1 a [Turn over
  • 124. SECTION A ALL questions should be attempted. 1. The functions f and g are defined by f(x) = x2 + 1 and g(x) = 3x – 4, on the set of real numbers. Find g(f(x)). A 3x2 – 1 B 9x2 – 15 C 9x2 + 17 D 3x3 – 4x2 + 3x – 4 2. The point P (5, 12) lies on the curve with equation y = x2 – 4x + 7. What is the gradient of the tangent to this curve at P? A 2 B 6 C 12 D 13 3. Calculate the discriminant of the quadratic equation 2x2 + 4x + 5 = 0. A –32 B –24 C 48 D 56 Page four[X100/12/02]
  • 125. 4. Which of the following shows the graph of y = 4cos 2x – 1, for 0 ≤ x ≤ p? A B C D Page five[X100/12/02] [Turn over y y y y x x x x –5 –3 3 5 p p p p O O O O –5 3 O –5 3 –3 5
  • 126. 5. The line L passes through the point (–2, –1) and is parallel to the line with equation 5x + 3y – 6 = 0. What is the equation of L? A 3x + 5y – 11 = 0 B 3x + 5y + 11 = 0 C 5x + 3y – 13 = 0 D 5x + 3y + 13 = 0 6. What is the remainder when x3 + 3x2 – 5x – 6 is divided by (x – 2)? A 0 B 3 C 4 D 8 7. Find ∫ x(3x + 2) dx. A x3 + c B x3 + x2 + c C D 3x2 + 2x + c Page six[X100/12/02] 1 2 3 2 22 2 x x x c+     +
  • 127. 8. A sequence is defined by the recurrence relation un +1 = 0·1un + 8, with u1 = 11. Here are two statements about this sequence: (1) u0 = 9·1; (2) The sequence has a limit as n ∞. Which of the following is true? A Neither statement is correct. B Only statement (1) is correct. C Only statement (2) is correct. D Both statements are correct. 9. The diagram shows a right-angled triangle with sides and angles as marked. Find the value of sin2x. A B C D 10. If 0 < a < 90, which of the following is equivalent to cos(270 – a)°? A cos a° B sin a° C –cos a° D –sin a° Page seven[X100/12/02] 2 1 x [Turn over 5 4 5 2 5 2 5 1 5
  • 128. 11. The diagram shows a cubic curve with equation y = f(x). Which of the following diagrams could show the curve with equation y = –f(x – k), k > 0? A B C D Page eight[X100/12/02] y y y O O O x x x y O x y O x
  • 129. 12. If f = 3i + 2k and g = 2i + 4j + 3k, find |f + g|. A B C D 13. A function f is defined on a suitable domain by f(x) = . What value(s) of x cannot be in this domain? A 3 and 4 B – 3 and –4 C –2 D 0 14. Given that |a| = 3, |b| = 2 and a.b = 5, what is the value of a.(a + b)? A 11 B 14 C 15 D 21 15. Solve = –1 for 0 ≤ x < 2p. A B C D Page nine[X100/12/02] [Turn over 14 42 66 70 units units units units x x x + − + 2 7 122 tan x 2     π π π π 2 7 8 3 2 15 8
  • 130. 16. Find A B C D 17. The diagram shows a curve with equation of the form y = kx(x + a)2 , which passes through the points (–2, 0), (0, 0) and (1, 3). What are the values of a and k? a k A –2 B –2 3 C 2 D 2 3 Page ten[X100/12/02] 1 6 1 6 1 2−( ) <∫ − x dx xwhere . 1 9 1 6 3 2−( ) + − x c 3 1 6 3 2−( ) + − x c − −( ) +1 3 1 6 1 2x c − −( ) +3 1 6 1 2x c y x (1, 3) –2 O 1 3 1 3
  • 131. 18. Given that y = sin(x2 – 3), find . A sin 2x B cos 2x C 2x sin(x2 – 3) D 2x cos(x2 – 3) 19. Solve 1 – 2x – 3x2 > 0, where x is a real number. A x < –1 or x > B –1 < x < C x < – or x > 1 D – < x < 1 20. The graph of log3 y plotted against x is a line through the origin with gradient 2, as shown. Express y in terms of x. A y = 2x B y = 9x C y = 6x D y = 9x [END OF SECTION A] Page eleven[X100/12/02] dy dx 1 3 1 3 1 3 1 3 log3 y m = 2 xO [Turn over for SECTION B on Page twelve
  • 132. SECTION B ALL questions should be attempted. 21. Express 2x2 + 12x + 1 in the form a(x + b)2 + c. 22. A circle C1 has equation x2 + y2 + 2x + 4y – 27 = 0. (a) Write down the centre and calculate the radius of C1. (b) The point P(3, 2) lies on the circle C1. Find the equation of the tangent at P. (c) A second circle C2 has centre (10, –1). The radius of C2 is half of the radius of C1. Show that the equation of C2 is x2 + y2 – 20x + 2y + 93 = 0. (d) Show that the tangent found in part (b) is also a tangent to circle C2. 23. (a) The expression can be written in the form k sin(x – a)°, where k >0 and 0 ≤ a < 360. Calculate the values of k and a. (b) Determine the maximum value of , where 0 ≤ x < 360. 24. (a) (i) Show that the points A(–7, –8, 1), T(3, 2, 5) and B(18, 17, 11) are collinear. (ii) Find the ratio in which T divides AB. (b) The point C lies on the x-axis. If TB and TC are perpendicular, find the coordinates of C. [END OF SECTION B] [END OF QUESTION PAPER] Page twelve[X100/12/02] 4 5 5 3+ ° − °cos sinx x 3sin cosx x° − ° Marks 3 2 3 3 4 4 2 4 5
  • 133. LI X100/12/03 6/30310 X100/12/03 *X100/12/03* © MATHEMATICS HIGHER Paper 2 Read carefully 1 Calculators may be used in this paper. 2 Full credit will be given only where the solution contains appropriate working. 3 Answers obtained by readings from scale drawings will not receive any credit. N A T I O N A L Q U A L I F I C A T I O N S 2 0 1 3 W E D N E S D A Y , 2 2 M A Y 2 . 5 0 P M – 4 . 0 0 P M
  • 134. FORMULAE LIST Circle: The equation x2 + y2 + 2gx + 2fy + c = 0 represents a circle centre (–g, –f) and radius The equation (x – a)2 + (y – b)2 = r2 represents a circle centre (a, b) and radius r. Scalar Product: a.b = |a||b| cos q, where q is the angle between a and b or a.b = a1b1 + a2b2 + a3b3 where a = . Trigonometric formulae: sin (A ± B) = sin A cos B ± cos A sin B cos (A ± B) = cos A cos B  sin A sin B sin 2A = 2sin A cos A cos 2A = cos2 A – sin2 A = 2cos2 A – 1 = 1 – 2sin2 A Table of standard derivatives: Table of standard integrals: Page two[X100/12/03] g f c2 2 + − . a a a b b b 1 2 3 1 2 3                     and =b ± f(x) f ′(x) sin ax cos ax a cos ax –a sin ax f(x) ∫ f (x)dx sin ax cos ax cos ax + C sin ax + C − 1 a − 1 a
  • 135. [X100/12/03] Marks 4 3 3 3 Page three [Turn over ALL questions should be attempted. 1. The first three terms of a sequence are 4, 7 and 16. The sequence is generated by the recurrence relation un+1 = mun +  c, with u1 = 4. Find the values of m and c. 2. The diagram shows rectangle PQRS with P(7, 2) and Q(5, 6). (a) Find the equation of QR. (b) The line from P with the equation x + 3y = 13 intersects QR at T. Find the coordinates of T. (c) Given that T is the midpoint of QR, find the coordinates of R and S. O O P(7, 2) P(7, 2) x x y y Q(5, 6) Q(5, 6) R R T S S
  • 136. [X100/12/03] 3. (a) Given that (x – 1) is a factor of x3 + 3x2 + x – 5, factorise this cubic fully. (b) Show that the curve with equation y = x4 + 4x3 + 2x2 – 20x + 3 has only one stationary point. Find the x-coordinate and determine the nature of this point. 4. The line with equation y = 2x + 3 is a tangent to the curve with equation y = x3 + 3x2 + 2x + 3 at A(0, 3), as shown in the diagram. The line meets the curve again at B. Show that B is the point (–3, –3) and find the area enclosed by the line and the curve. 5. Solve the equation where x is a real number. Page four Marks 4 5 6 4 y = 2x + 3 y = x3 + 3x2 + 2x + 3 x y A(0, 3) O B log log ,5 53 2 2 1−( )+ +( ) =x x
  • 137. [X100/12/03] Page five 6. Given that calculate the value of a. 7. A manufacturer is asked to design an open-ended shelter, as shown, subject to the following conditions. (a) Show that the total length, L metres, of the rods used in a shelter is given by (b) These rods cost £8·25 per metre. To minimise production costs, the total length of rods used for a frame should be as small as possible. (i) Find the value of x for which L is a minimum. (ii) Calculate the minimum cost of a frame. 8. Solve algebraically the equation Marks 5 3 7 6 Condition 1 The frame of a shelter is to be made of rods of two different lengths: • x metres for top and bottom edges; • y metres for each sloping edge. Condition 2 The frame is to be covered by a rectangular sheet of material. The total area of the sheet is 24 m2 . L x x = +3 48. x y [Turn over for Question 9 on Page six sin cos2 2 2 x x= ≤for 0 < 2x π 5 3 10 3 0 0 sin , ,x dx a a ∫ = ≤ < π
  • 138. 9. The concentration of the pesticide, Xpesto, in soil can be modelled by the equation Pt = P0 e–kt   where: • P0 is the initial concentration; • Pt is the concentration at time t; • t is the time, in days, after the application of the pesticide. (a) Once in the soil, the half-life of a pesticide is the time taken for its concentration to be reduced to one half of its initial value. If the half-life of Xpesto is 25 days, find the value of k to 2 significant figures. (b) Eighty days after the initial application, what is the percentage decrease in concentration of Xpesto? [X100/12/03] Page six [END OF QUESTION PAPER] Marks 4 3