Question

Determine the quadratic function of the form f(x) = a(x - h)? + k with vertex (-2,8) and point (0,-8)

Answer 1

Hi,

Explanation:

vertex is (-2,8):

f(x)=a(x+2)²+8

point (0,-8):

f(0)=-8=a(0+2)²+8=a*4+8

4a=-8-8

4a=-16

a=-4

The quadratic function is f(x)=-4(x+2)²+8