Algebra and Trigonometry 10th Edition

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

Chapter 8 - 8.3 - Vectors in the Plane - 8.3 Exercises - Page 585: 9

Answer

Equivalent

Work Step by Step

NOTE: Two vectors are equivalent when they have the same magnitude and direction. To find the direction, we can use the slope. Slope of $\overrightarrow{u}$: $\frac{\Delta y}{\Delta x} = \frac{5-4}{6-2} = \frac{1}{4} = 0.25$ Slope of $\overrightarrow{v}$: $\frac{\Delta y}{\Delta x} = \frac{1-0}{4-0} = \frac{1}{4} = 0.25$ Magnitude of $\overrightarrow{u}$: $\sqrt {(5-4)^{2} + (6-2)^{2}} = 4.12$ Magnitude of $\overrightarrow{v}$: $\sqrt {(1-0)^{2} + (4-0)^{2}} = 4.12$ Since the vectors have the same direction and magnitude, they are equivalent.
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