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What is the equation of the quadratic function shown in the graph

 

 Jul 28, 2020
 #1
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Is there any way to avoid sideways images?

Vertex -1,8    point   -3,0

Vertex form of parabola    y = a(x+1)^2 + 8    sub in point to calc 'a'

                                          0 = a(-3+1)^2 + 8      a = -2

 

y = -2 (x+1)^2 + 8

 Jul 28, 2020

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