Posted by Abbey on Tuesday, May 4, 2010 at 10:02pm.
y^2 + 2 y = 4 x - 33
y^2 + 2 y + 1 = 4 x - 32
(y+1)^2 = 4 (x-8)
(8,-1) is the vertex etc.
opens right, a = 4
vertex to focus = 4 so focus at (12,-1)
vertex to directrix = 4 so directrix at x = 4
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