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Find the vertex of the graph of the equation \(x -y^2 + 6y =8\).

 Jul 15, 2019
 #1
avatar+18754 
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x = y^2-6y +8       we need this in the form    x  = a(y-k)^2 +h

so:

  =  (y-3)^2  -1      shows h, k = -1,3

 Jul 15, 2019

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