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OpenStudy (anonymous):
Suppose a parabola has vertex (–4, 7) and also passes through the point (–3, 8). Write the equation of the parabola in vertex form.
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OpenStudy (anonymous):
if the vertex is at (h,k) y =a(x-h)^2 +k plug in the given values and then use the second point in order to find 'a'..
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