f(x)
= 15(
x
+ 5)(
x
- 5)
Zeros: (-5, 0) and (5, 0)
Eq. of Axis of Symmetry: x = 0
y-intercept: (0, -375)
Other Forms:
f(x)
= 15(
x
)
2
- 375
f(x)
= 15
x
2
- 375