Answer:
a=4
Step-by-step explanation:
Given that The zeros of a parabola are-5 and -3.
Hence parabola would be of the form
y =a(x+5)(x+3)
To find a:
A point (0,60) on the parabola is given
Substitute this point in the equation
[tex]60=a(0+5)(0+3)\\15a=60\\a=4[/tex]
Hence answer is
a=4
