Question

Andy completes the square for the equation x2 + 6x - 8 = 0. Which of the following equations reveals the vertex of the parabola? will fan and medal

A. y = (x + 4)2 - 18
B. y = (x + 2)2 - 18
C. y = (x + 3)2 - 17
D. y = (x + 6)2 - 17

Answer 1

vertex form (x-h)^2 + k
h is the x-coordinate of the vertex