Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 5 - Cumulative Test for Chapters 3-5 - Page 416: 16

Answer

See graph

Work Step by Step

Following the standard form of a hyperbola with major axis of $x$-axis which is $\frac{(x-h)^2}{a^2}-\frac{(y-k)^2}{b^2}=1$: $$\frac{(x-(-3))^2}{4^2}-\frac{(y-(-4))^2}{5^2}=1$$ $$(h,k)=(-3,-4),a=4,b=5$$ Finding the vertices: $$(h+a,k)=(-3+4,-4)=(1,-4)$$ $$(h-a,k)=(-3-4,-4)=(-7,-4)$$ Plot the center and the lengths of $a$ and $b$. Draw a box and the lines passing through the corners of the box as shown. These two lines are the asymptotes of the graph. Plot the two vertices. Draw smooth curves each passing a vertex and approaches the asymptotes. Thus, the sketch of the conics is as shown.
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