Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 9 - Analytic Geometry - Cumulative Review - Review Exercises - Page 719: 2

Answer

hyperbola, center $(0,0)$, vertices $(-5,0),(5,0)$, foci $(-\sqrt {26},0),(\sqrt {26},0)$, and asymptotes $y=\pm\frac{1}{5}x$.

Work Step by Step

1. Given $\frac{x^2}{25}-y^2=1$, we can identify it as a hyperbola with a horizontal transverse axis, $a=5, b=1$ and $c=\sqrt {a^2+b^2}=\sqrt {26}$. 2. We can find its center $(0,0)$, vertices $(-5,0),(5,0)$, foci $(-\sqrt {26},0),(\sqrt {26},0)$, and asymptotes $y=\pm\frac{b}{a}x=\pm\frac{1}{5}x$.
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