Precalculus (6th Edition) Blitzer

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

Chapter 9 - Section 9.2 - The Hyperbola - Exercise Set - Page 981: 23

Answer

asymptotes: $y=\pm\frac{5}{3}x$ foci: $(0, \pm\sqrt {34})$

Work Step by Step

Step 1. Rewriting the equation as $\frac{y^2}{25}-\frac{x^2}{9}=1$, we have $a=5, b=3, c=\sqrt {a^2+b^2}=\sqrt {34}$ centered at $(0,0)$ with a vertical transverse axis. Step 2. We can find the vertices as $(0, \pm5)$ and asymptotes as $y=\frac{a}{b}x=\pm\frac{5}{3}x$ Step 3. We can graph the equation as shown in the figure with foci at $(0, \pm\sqrt {34})$
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