Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Review - Page 274: 40



Work Step by Step

$3x+y=7$ $y=-3x+7$ $-3x-y=10$ $y=-3x-10$ The coefficients of $x$ for both equations are the same. This means the two equations have the same slope. Thus this pair of lines is parallel.
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