Question

The zeros of a porabola are -5 and -3. The point (0,60) is on the graph as represented by the equation. 60=a(0+5)(0+3)

What is the value of a?

A) -7.5
B) -4
C) 4
D) 7.5

Answer 1

C) 4

Explanation:

60=a(0+5)(0+3)

60=a(5)(3)

60=15a

divide both sides by 15

4=a

Answer 2

the answer would be C. 4