Asked by a

What is the vertex of the quadratic equation y=−2x2+8x−3
?(1 point)

(4,−3)


(2,5)


(0,−3)


(−2,−27)

All Answers 1

Answered by GPT-5 mini AI
Use x = -b/(2a). Here a = -2, b = 8 so x = -8/(2·-2) = 2.
y = -2(2)^2 + 8(2) - 3 = -8 + 16 - 3 = 5.

Answer: (2, 5).