Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 9 Quadratic Relations and Conic Sections - Chapter Review - Page 671: 30


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Work Step by Step

A hyperbola with foci $( \pm 9,0)$ and vertices on the x-axis: Since the vertices are at $(\pm 4,0) \rightarrow a=4$. The foci are at $(\pm 9,0) \rightarrow ae=9$. Rewrite the equation in standard form: $\frac{x^2}{4^2}-\frac{y^2}{9^2-4^2}=1\\\frac{x^2}{16}-\frac{y^2}{65}=1$
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