SOLUTION: Write the quadratic function in the form: g(x)=a(x-h)^2-k Then, give the vertex of its graph. g(x)=-3x^2+12x-8 Thanks

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: Write the quadratic function in the form: g(x)=a(x-h)^2-k Then, give the vertex of its graph. g(x)=-3x^2+12x-8 Thanks      Log On


   

Question 870458: Write the quadratic function in the form: g(x)=a(x-h)^2-k
Then, give the vertex of its graph.
g(x)=-3x^2+12x-8
Thanks
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
g(x)=-3x^2+12x-8
g(x)=-3(x-2)^2 + 12 -8 |completing the Square -2 = 12/(-3*2)
and 12 = -a(2)^2 =+-%28-3%29%2A4
g(x)=-3(x-2)^2 + 4