Find the vertex of the graph of the equation x - 2y^2 + 6y = 18.
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 )
Ooops....forgot it was sideways vertex is at (13.5,1.5)