Posted by **Sophie** on Wednesday, June 17, 2009 at 3:58pm.

Write the standard form of the equation of the parabola whose directrix is x=-1 and whose focus is at (5,-2)?

a) (y+2)^2 = 12(x+2)

b) y-2 = 12(x+2)

c) x+2 = 1/12(y+2)^2

d) x-2 = 1/12(y+2)^2

I get A and D? confused!

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