SOLUTION: To determine an equation in vertex form, which is y=a(x-h)2+k, if I know the value of y, x, and k, could I find a? For example, 2.6=a(6.4-h)2+1.0, how would I find a?

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: To determine an equation in vertex form, which is y=a(x-h)2+k, if I know the value of y, x, and k, could I find a? For example, 2.6=a(6.4-h)2+1.0, how would I find a?      Log On


   

Question 1025635: To determine an equation in vertex form, which is y=a(x-h)2+k, if I know the value of y, x, and k, could I find a? For example, 2.6=a(6.4-h)2+1.0, how would I find a?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
No, you need to know h also.
Else, you get a in terms of h or vice versa.