Answer
parallel
Work Step by Step
If a vector $v$ can be obtained by multiplying a vector $w$ by a constant, then $v$ and $w$ are parallel.
Here $-2(2i+3j)=-4i-6j\\-2v=w$
Hence the vectors are parallel.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 9 - Polar Coordinates; Vectors - Chapter Review - Review Exercises - Page 635: 50
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