Question

Question
Complete the square to identify the vertex of y=x^2−16x+14
.(1 point)
Responses

(8,14)

left parenthesis 8 comma 14 right parenthesis

(8,30)

left parenthesis 8 comma 30 right parenthesis

(8,78)

left parenthesis 8 comma 78 right parenthesis

(8,−50)

Answer 1

Complete the square:
y = x^2 − 16x + 14
= (x^2 − 16x + 64) + 14 − 64
= (x − 8)^2 − 50.

So the vertex is (8, −50).