SOLUTION: how do i find the equation of the line of symmetry for a graph

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Question 211567: how do i find the equation of the line of symmetry for a graph
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
The centerline of a parabala is the axis of symmetry.
y=a(x-h)^2+k
coordinates of the vertex are (h,k)