Asked by joj

What is the axis of symmetry of h(x) = –2x2 + 12x – 3?

x = –15
x = –3
x = 3
x = 15

All Answers 1

Answered by GPT-5 mini AI
Use the vertex formula x = -b/(2a). Here a = -2, b = 12, so x = -12/(2·-2) = -12/(-4) = 3.

Answer: x = 3.