SOLUTION: Find the quadratic function y=a(x-h)^2 whose graph passes through the given points (8,-4), (4,0)

Question 1105122: Find the quadratic function y=a(x-h)^2 whose graph passes through the given points
(8,-4), (4,0)
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
If the graph passes through (4,0), then
, so either or .
However, if that function is really a quadratic it must be true that
.
Otherwise, the function would just be .
So , .
Substituting that value, and the coordinates of (8,-4), we get

Three quadratic function is
or .

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