Complete the square to rewrite y=x^2+8x-4 in vertex form, and then identify the minimum y-value of the function.

A.The minimum value is –20.
B.The minimum value is –2.
C.The minimum value is –4.
D.The minimum value is –16.

Respuesta :


[tex]y = {x}^{2} + 8x - 4 \\ y = {(x + 4)}^{2} - 20[/tex]
So the answer is A

Answer:

The minimum value is -20 just answered apex

Step-by-step explanation: