Find the equation of the parabola (standard form) if the parabola has a vertex of (2,3) and a directrix of x=5.

(y - k)^2 = -4p(x - h)

(y - 3)^2 = -4(3)((x - 2)

(y - 3)^2 = -12(x - 2). Is that right?

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- December 2nd 2010, 06:22 PMrowdy3Find the equation of the parabola
Find the equation of the parabola (standard form) if the parabola has a vertex of (2,3) and a directrix of x=5.

(y - k)^2 = -4p(x - h)

(y - 3)^2 = -4(3)((x - 2)

(y - 3)^2 = -12(x - 2). Is that right? - December 2nd 2010, 06:50 PMSoroban
Hello, rowdy3!

Absolutely corect! . . . Good work!