SOLUTION: graph f(x)=-2x^2+4x+6. Label the vertex and intercepts.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: graph f(x)=-2x^2+4x+6. Label the vertex and intercepts.      Log On


   

Question 1043851: graph f(x)=-2x^2+4x+6. Label the vertex and intercepts.
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
-2%28x%5E2-2x-3%29
-2%28x%2B1%29%28x-3%29

Intercepts at x=-1 and x=3 on the x-axis.
Intercept on y axis is (0,6).
Vertex will be in the exact middle of the x-axis intercepts. Let x=1 and find it.