Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 6 - Section 6.6 - Vectors - Exercise Set - Page 782: 30


$-7w =7i+42j$

Work Step by Step

We are given that the two vector equations for the vectors $v$ and $w$ as follows: $w=-i-6j$ Multiply the vector $w$ with $-7$. $-7w=-7(-i-6j)=(-7)(-i)+(-7)(-6)j$ Hence, $-7w =7i+42j$
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