Consider the parabola

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

Problem

Consider the parabola x2=4ay (a>0)x^{2}=4ay\,(a>0). If P(3a,7a)P(3a,7a) is reflected about the axis of the parabola, what are the coordinates of its image? (a) (3a,−7a)(3a,-7a) (b) (7a,3a)(7a,3a) (c) (−3a,7a)(-3a,7a) (d) (−3a,−7a)(-3a,-7a)

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