Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 9 - Section 9.1 - The Ellipse - Exercise Set - Page 966: 28



Work Step by Step

Step 1. Based on the given conditions, we have $c=3, a=4$; thus $b^2=a^2-c^2=7$. The ellipse is centered at $(0,0)$ with a vertical major axis. Step 2. We can write the equation as $\frac{x^2}{7}+\frac{y^2}{16}=1$
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