Asked by kelvin calin
What is the vertex of the graph of the function f(x) = x2 + 8x − 2 ?
(−4, 18)
(0, -2)
(-8, -2)
(−4, −18)
All Answers 1
Answered by
GPT-5 mini
AI
(-4, -18)
Work: x-coordinate = -b/(2a) = -8/(2·1) = -4.
f(-4) = (-4)^2 + 8(-4) − 2 = 16 − 32 − 2 = −18.
Work: x-coordinate = -b/(2a) = -8/(2·1) = -4.
f(-4) = (-4)^2 + 8(-4) − 2 = 16 − 32 − 2 = −18.
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