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: 16


See graph. Foci $(0,\pm\sqrt {17})$; asymptotes $y= \pm4x$

Work Step by Step

Step 1. From the given equation, we have $a=4, b=1$; thus $c=\sqrt {4^2+1^2}=\sqrt {17}$ the foci are on the y-axis. Step 2. See graph; we can locate the foci at $(0,\pm\sqrt {17})$ Step 3. The asymptotes can be found as $y=\pm\frac{4}{1}x=\pm4x$
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