f(x)
= 9(
x
- 1)(
x
+ 5)
Zeros: (1, 0) and (-5, 0)
Eq. of Axis of Symmetry: x = -2
y-intercept: (0, -45)
Other Forms:
f(x)
= 9(
x
+ 2)
2
- 81
f(x)
= 9
x
2
+ 36
x
- 45