Answer
$u$ and $v$ are not orthogonal.
Work Step by Step
$u$ and $v$ are orthogonal vectors if and only if $u·v=0$
$u·v=⟨\frac{1}{4},-\frac{1}{2}⟩⋅⟨-2,4⟩=\frac{1}{4}(-2)+(-\frac{1}{2})(4)=-\frac{2}{4}-2=-\frac{1}{2}-\frac{4}{2}=-\frac{5}{2}$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 8 - Review Exercises - Page 617: 86
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
