SOLUTION: how do you find the (a) quantity from a graph that has the vertex at 4,0 and the y intercept at 200

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: how do you find the (a) quantity from a graph that has the vertex at 4,0 and the y intercept at 200      Log On


   

Question 373414: how do you find the (a) quantity from a graph that has the vertex at 4,0 and the y intercept at 200
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
the general vertex form of the quadratic is ___ y = a(x - h)^2 + k , where (h,k) is the vertex

200 = a(0 - 4)^2 + 0