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Find the vertex of the graph of the equation x - 2y^2 + 6y = 18.

 Feb 12, 2022
 #1
avatar+36434 
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Re-arrange    x = 2y^2 -6y + 18     this is a sideways parabola  

    arrange into vertex form

              x = 2 (y^2-3y) + 18

              x = 2 (y-1.5)^2   + 13.5         Vertex is at   (1.5,13,5 )

 Feb 12, 2022
 #2
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Ooops....forgot it was sideways      vertex is at   (13.5,1.5)

ElectricPavlov  Feb 12, 2022

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