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Find the vertex of the graph of the equation x - y^2 + 8y = 13.

 Apr 30, 2022
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Rearranging terms,

 

x = y^2 - 8y + 13.

 

Completing the square gives

 

x = (y - 4)^2 - 3.

 

Therefore, the vertex is (-3, 4).

 May 2, 2022

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