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

 Aug 9, 2016
 #1
avatar+118658 
-1

Find the vertex of the graph of the equation .     (It is a sideways parabola)

 

\(x-y^2+6y=8\\ x=y^2-6y+8\\ x=(y-4)(y-2)\\ \)

The roots are y=2 and y=4

The axis of symmetry is y=(2+4)/2  = 3

So y=3

 

x=(3-4)(3-2) = -1*1 = -1

 

The vertex is  (-1,3)

 Aug 9, 2016
 #2
avatar+12531 
0

Find the vertex of the graph of the equation ....

laugh

 Aug 9, 2016

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