For the answer to the question above asking The vertex of a parabola is (-2, -20), and its y-intercept is (0, -12).
y=k(x+2)²-20
and -12=k*(0+2)²-20==>k=8/4=2
Equation's parabola is y=2(x+2)²-20
i hope my answer helped you with your problem. Have a nice day!
