Question

What is the first step when rewriting y = -4x2 + 2x - 7 in the form y = a(x - h) + K?

Answer 1

h = -b/2a

Explanation:

to find the vertex (h,k)

find h ushing h = -b/2a

then substitute x with h to find k

ie. k = -4h2 + 2h - 7