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Write the equation of the parabola in vertex form. Vertex (2,1), point (3, -4)

 Mar 15, 2020
 #1
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Vertex form    y = a (x-h)^2 + k     (h,k) = (2,1)     sub in this for h,k   and   3,-4   for   x and y

-4 = a (3-2)^2 +1      a = -5

 

y = -5(x-2)^2 + 1

 Mar 15, 2020

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