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

Respuesta :


[tex]y = {x}^{2} + 8x + 14[/tex]
[tex]y = ({x}^{2} + 2(x)(4) + (4)^{2} ) - 2[/tex]
[tex]y = {(x + 4)}^{2} - 2[/tex]