Question

Rewrite the equation of the parabola in vertex form.
y = x2 + 8x - 21

A)y = (x + 4)2 - 37

B)y = (x + 4)2 - 21

C)y = (x + 4)2 - 5

D)y = (x + 432 +5

Answer 1

The answer would be y=(x+4)^2-37