Answer
$x^2=-2y$
Work Step by Step
1. Based on the given conditions, use equation $x^2=-4py$
2. Use the given point on the curve, we have $(\sqrt {10})^2=-4p(-5)$, thus $p=\frac{1}{2}$
3. We have the equation $x^2=-2y$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 10 - Analytic Geometry - Quiz - Page 981: 3
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