Asked by sh

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

(1.088,0)
left parenthesis 1.088 comma 0 right parenthesis

(−0.375,−8.563)
left parenthesis negative 0.375 comma negative 8.563 right parenthesis

(0,−8)
left parenthesis 0 comma negative 8 right parenthesis

(−1.838,0)
left parenthesis negative 1.838 comma 0 right parenthesis

All Answers 1

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

So the vertex is (−0.375, −8.563).