1. 2
f(x) = 2x - 4x - 1
Find the:
vertex
axis of symmetry
domain
range
roots / zeros / x-intercepts
y intercept
GRAPH IT!

2. 2
f(x) = 2x - 4x - 1
vertex

3. 2
f(x) = 2x - 4x - 1
axis of symmetry
x=1

4. 2
f(x) = 2x - 4x - 1
domain
(- , )
8
8

5. 2
f(x) = 2x - 4x - 1
range
[-3, )
8

6. 2
f(x) = 2x - 4x - 1
y-intercept
y-intercept = -1

7. f(x) = 2x 2 - 4x - 1
zeros / roots / x-intercepts
0 = 2x 2 - 4x - 1
2
x = -b ± √b - 4ac
2a
x = 4 ± √24
4

8. x = 4 ± √6*4
4
x = 4 ± 2√6
4
x = 1 ± 0.5√6

9. f(x) = 2x 2 - 4x - 1