# Math

find the equation of a parabola that has a vertex of (-2,-3) and contains the point (4,1).

1. you already know the equation must be

y = a(x+2)^2 - 3
All that is missing is the value of a

To find a, plug in the given point and solve for a.
Rewrite my equation and you are all done.

posted by Reiny

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