Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 11 - Review - Test - Page 835: 3

Answer

Vertices: $V(0,±3)$ Foci: $F(0,±5)$ Asymptotes: $y=±\frac{3}{4}x$

Work Step by Step

$\frac{y^2}{9}-\frac{x^2}{16}=1$ $\frac{y^2}{3^2}-\frac{x^2}{4^2}=1$ Hyperbola with vertical transverse axis: $\frac{y^2}{a^2}-\frac{x^2}{b^2}=1$ $a=3$ $b=4$ $c^2=a^2+b^2=3^2+4^2=9+16=25$ $c=5$ Vertices: $V(0,±a)=V(0,±3)$ Foci: $F(0,±c)=F(0,±5)$ Asymptotes: $y=±\frac{a}{b}x=±\frac{3}{4}x$
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