College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 7 - Conic Sections - Exercise Set 7.3 - Page 699: 24



Work Step by Step

Focus: $(0,-15)$; Directrix: $y=15$ $x^2=4py$ (parabola equation) $F(0,p)$ (focus formula) $y=-p$ (directrix formula) $F(0,-15)$ $4(-15)=-60$ $x^2=-60y$
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