Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 9 Quadratic Relations and Conic Sections - 9.2 Graph and Write Equations of Parabolas - 9.2 Exercises - Skill Practice - Page 624: 43

Answer

$x^2=16y$

Work Step by Step

If the parabola has its vertex at $(0,0)$ and its directrix at $y=-p$ then the equation is: $x^2=4py$. Hence here $p=4$, thus the equation is: $x^2=16y$
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