Answer
See the graph
Work Step by Step
Given $xy=20 \rightarrow y=\frac{20}{x}$
Make a table of values.
$x=-20 \rightarrow y=-1$
$x=-10 \rightarrow y=-2$
$x=-5 \rightarrow y=-4$
$x=5 \rightarrow y=4$
$x=10 \rightarrow y=2$
$x=20 \rightarrow y=1$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 11 - Rational Expressions and Functions - 11-6 Inverse Variation - Practice and Problem-Solving Exercises - Page 702: 21
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