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 Test - Page 673: 22

Answer

See below

Work Step by Step

The standard form for a hyperbola with a vertical transverse axis: $\frac{y^2}{a^2}-\frac{x^2}{b^2}=1$ We can see that the foci lie on the y-axis, so the transverse axis is vertical. The vertices are 6 units from the center, so $a=6$ The foci are 9 units from the center so $c=9$ Find b: $b^2=c^2-a^2\\=9^2-6^2\\=45$ Plug in the values: $\frac{y^2}{36}-\frac{x^2}{45}=1$
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