Answer
$u·v=-5$
Work Step by Step
$u·v=(3i+4j)·(i-2j)=3(1)+4(-2)=3-8=-5$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 8 - Cumulative Test for Chapters 6-8 - Page 621: 35
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