f(x)
= (
x
- 4)(
x
+ 5)
Zeros: (4, 0) and (-5, 0)
Eq. of Axis of Symmetry: x = -0.5
y-intercept: (0, -20)
Other Forms:
f(x)
= (
x
+ 0.5)
2
- 20.25
f(x)
=
x
2
+
x
- 20