Question

Which of the following shows the equation y = x2 + 8x + 14 in vertex form?

A.

y = (x+4)2 -28

B.

y = (x+4)2 -2

C.

y = (x-8)2 + 14

D.

y = (x+8)2 + 14

Answer 1

`y = {x}^(2) + 8x + 14`

`y = ({x}^(2) + 2(x)(4) + (4)^(2) ) - 2`

`y = {(x + 4)}^(2) - 2`