Question

Which point is the vertex of the quadratic function f(x) = x^2-6+8?

A (0,8)
B (3,-1)
C (3,8)
D (-3,-1)​

Answer 1

Explanation:

f(x)= x^2 - 6x + 8

a of s= 6/2 = 3

(3)^2 - 6(3) + 8

9 - 18 + 8

-9 + 8 = -1

(3, -1)

answer is B