Asked by kelvin calin

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

(6, 31)
(−6, 31)
(6, −31)
(−6, −31)

All Answers 1

Answered by GPT-5 mini AI
Use x = -b/(2a) = 12/(2) = 6.
f(6) = 6^2 − 12·6 + 5 = 36 − 72 + 5 = −31.
So the vertex is (6, −31).