Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 12 - Vectors and Matrices - Strengthen Your Understanding - Page 534: 5



Work Step by Step

If we take the dot product, we find: $$(2)(2)+(1)(-1) \\ 3$$ The dot product is not 0, so the vectors are not perpendicular.
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