Question

Write the equation of a quadratic function with roots of -4 and 8 and a y intercept of 3

Answer 1

Answer:

f(x) = -1/4* (x+4)(x-8)

Step-by-step explanation:

f(x) = a(x+4)(x-8)

y-int = 3 --> (0,3)

3 = a(0+4)(0-8)

3 = -12a

a = -1/4

A: f(x) = -1/4* (x+4)(x-8)