The focus of a parabola is and its directrix is the line

MATHEMATICS · Single correct · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

The focus of a parabola is (−5,0)(-5,0) and its directrix is the line x=5x=5. What is the equation of the parabola? (a) y2=20xy^{2}=20x (b) y2=−20xy^{2}=-20x (c) y2=−40xy^{2}=-40x (d) x2=−20yx^{2}=-20y

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