Precalculus (6th Edition) Blitzer

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

Chapter 9 - Test - Page 1037: 3


See graph and explanations.

Work Step by Step

Step 1. Graph the conic section as shown in the figure. Step 2. From the equation, we can identify it is an ellipse with $a=5,b=3,c=4$, centered at $(-2,5)$. Step 3. We can find the foci at $(-2\pm4,5)$ which gives $(-6,5)$ and $(2,5)$.
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