f(x)
= 2(
x
+ 1)(
x
- 1)
Zeros: (-1, 0) and (1, 0)
Eq. of Axis of Symmetry: x = 0
y-intercept: (0, -2)
Other Forms:
f(x)
= 2(
x
)
2
- 2
f(x)
= 2
x
2
- 2