Monday
September 1, 2014

Homework Help: Math

Posted by Abbey on Tuesday, May 4, 2010 at 10:02pm.

Find the vertex, focus and directrix of the parabola.

4x - y^2 - 2y - 33 = 0

y^2+2y+1 = -4x+33+1
(y+1)^2 = -4(x+8.5)

vertex:(-1,-8.5)
focus:(-2,-8.5)
Directrix: x=0

Is this correct?

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