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Find the equation of a parabola with vertex (3, 5) and directrix y = 7.

User Stibu
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1 Answer

2 votes

Answer: -8(y-5) = (x-3)2

Explanation:

Well, p(y-k) = (x-h)2 has Vertex (h,k) = (3,5). So the Distance from vertex to directrix is 2; distance from vertex to focus is 2; focus is directly beneath the vertex. Therefore it's p = -2 ( I hope this helped<3)

User Bruckwald
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