Question

Which equation represents y = x2 + 12x + 27 in vertex form?

Answer 1

y = (x + 6)^2 - 9..

Explanation:

y = x^2 + 12x + 27

Completing the square:

y = (x + 6)^2 - 36 + 27

y = (x + 6)^2 - 9 <----- vertex form.