Question

Write in vertex form y=x^2+16x-71

Answer 1

Good evening ,

Answer:

x^2+16x-71 = (x+8)²-135

Explanation:

x^2+16x-71 = (x+8)²-8²-71

= (x+8)²-(64+71)

= (x+8)²-135.

:)