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 (−1.838,0) left parenthesis negative 1.838 comma 0 right parenthesis (0,−8) what is the answer