Question

Find the equation of the quadratic function with vertex (– 2, – 6) that goes through the point (-4, -18)

Answer 1

y = -3(x+2)^2 - 6

Explanation:

y = a(x+2)^2 -6

-18 = a(-2)^2 - 6

-12 = 4a

a = -3

y = -3(x+2)^2 - 6