Question

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

Answer 1

Explanation:

first, the coeieicne infront of x^2 term musbe 1

so if you have

y=ax^2+bx+c

isolate x terms and undistribute a

y=a(x^2+(b/a)x)+c