Measures of Central Tendency: Mean, Median and Mode
Prelim exam algebra
1. 1. Perform the indicated operations 3 + 6 x (5 + 4) ÷ 3 – 7
a. 15
b. 14
c. 10
d. 5
2. Evaluate 9 - 5 ÷ (8 - 3) x 2 + 6
a. 10
b. 12
c. 13
d. 15
3. Evaluate (a + 2) − (b − 3) + (c − 8) − (d + 1)
a. a − b + c − d – 4
b. a + b + c − d – 4
c. a − b - c − d + 4
d. a − b - c − d – 4
4. Simplify 5 − *3 − (x − 2)]
a. 2 + x
b. 3 – x
c. x
d. x + 10
5. Simplify 5 − *3 − (x − 2)+
a. 2 + x
b. 3 – x
c. x
d. x + 10
6. Perform the indicated operations –(-4)3 / (-4) – 8 / 2
a. 20
b. -10
c. -20
d. 15
7. Perform the operations [-4(32)] / [2(-9)]
a. 5
b. -4
c. 16
d. 2
2. 8. Perform the operations 16 (-5) / [10 (2)]
a. 4
b. 12
c. -4
d. 10
9. Perform the indicated operations [-52 – 5] / [-22 – 12]
a. 8
b. 6
c. 19
d. 15
10. Simplify (4x − 3y) + (3y − 5x) + (5z − 4x)
a. 5x + 5z
b. -5x – 5z
c. -5x + 5z
d. x + z
ANSWER KEY
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B
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A
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D
C
D
A
B
C