Answer
$26$
Work Step by Step
The magnitude $||v||$ of a vector $v=ai+bj$ is given by the formula:
$||v||=\sqrt{a^2+b^2}$
Hence, using the formula gives
$||v||=\sqrt{10^2+(-24)^2}\\
||v||=\sqrt{100+576}\\
||v||=\sqrt{676}\\
||v||=26$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 10 - Analytic Geometry - 10.6 Polar Equations of Conics - 10.6 Assess Your Understanding - Page 685: 50
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