Question

What are the coordinates of the vertex of the function f(x) = x2 − 12x + 5?

(6, 31)
(−6, 31)
(6, −31)
(−6, −31)

Answer 1

Answer: (6, -31)

Explanation: See attachment

Answer 2

(6, -31) -12/2 then plug it back into the equation and get the y value