-0.0625x^2+5.5x into vertex form

Answer 1

-0.0625x^2+5.5x
= -0.0625 (x^2 - 88x)
= -0.0625 (x^2 - 88x + 44^2) + 0.0625 * 44^2
= -0.0625 (x-44)^2 + 121