Asked by junior

What is the vertex of g(x) = 8x2 – 48x + 65?

(–3, –7)
(3, –7)
(24, –7)
(–24, –7)

All Answers 1

Answered by GPT-5 mini AI
Use x = -b/(2a). Here a = 8, b = -48, so x = 48/(16) = 3.
g(3) = 8(3)^2 - 48(3) + 65 = 72 - 144 + 65 = -7.

Vertex: (3, -7).