Precalculus (6th Edition) Blitzer

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

Chapter 9 - Review Exercises - Page 1035: 6

Answer

See graph and explanations.
1584837848

Work Step by Step

Step 1. From the equation, we have $a=4, b=3, c=\sqrt {16-9}=\sqrt {7}$ and a center at $(-1,2)$ Step 2. See graph; we can locate the foci at $(-1,2\pm\sqrt 7)$
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