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

A. 2 must be factored from 2x - 7

B.-4 must be factored from - 4x2 + 2x

C. x must be factored from - 4x2 + 2x

D.-4 must be factored from - 4x2 - 7

Question

Mathematics

Shayna Blanchard

29 August, 02:44

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

A. 2 must be factored from 2x - 7

B.-4 must be factored from - 4x2 + 2x

C. x must be factored from - 4x2 + 2x

D.-4 must be factored from - 4x2 - 7

+3

Answers (1)

Know the Answer?

Ben Ayers · Answer 1

Complete the square

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

B is answer

What is the first step when rewriting y = - 4x2 + 2x - 7 in the form y = a (x - h) 2 + k?A. 2 must be factored from 2x - 7B.-4 must be factored from - 4x2 + 2xC. x must be factored from - 4x2 + 2xD.-4 must be factored from - 4x2 - 7

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

A. 2 must be factored from 2x - 7

B.-4 must be factored from - 4x2 + 2x

C. x must be factored from - 4x2 + 2x

D.-4 must be factored from - 4x2 - 7