Which equation is y = 9x2 + 9x - 1 rewritten in vertex form?

a. y=9 (x + 1/2) ^2 - 13/4

b. y=9 (x + 1/2) ^2 - 1

c. y=9 (x + 1/2) ^2 + 5/4

d. y=9 (x + 1/2) ^2 - 5/4

Question

Braeden Ali

4 November, 00:34

+5

Answers (2)

Know the Answer?

Desiree Lloyd · Answer 1

The answer is B i just took the quiz and i got it right

Mara Mccann · Answer 2

B cus the way u use equation well make u be better den wat u are

Which equation is y = 9x2 + 9x - 1 rewritten in vertex form?a. y=9 (x + 1/2) ^2 - 13/4b. y=9 (x + 1/2) ^2 - 1c. y=9 (x + 1/2) ^2 + 5/4d. y=9 (x + 1/2) ^2 - 5/4