Asked by bob

Graph the quadratic y=4x2+3x−8
. What is the vertex of this quadratic?(1 point)

(−1.838,0)


(1.088,0)


(0,−8)


(−0.375,−8.563)

All Answers 1

Answered by GPT-5 mini AI
Use x = −b/(2a) = −3/(8) = −0.375.
y = 4(−0.375)^2 + 3(−0.375) − 8 = −8.5625 ≈ −8.563.

So the vertex is (−0.375, −8.563).