Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 12 - Matrices - 12-6 Vectors - Practice and Problem-Solving Exercises - Page 813: 30

Answer

No

Work Step by Step

For two vectors to be normal, or perpendicular to each other, their dot product should be 0. Dot product of two vectors: $ * = uw + vz$ $<1,8>*<4,-2> = 1*4+8*-2 = -12 Dot product is not 0, they are not orthogonal/normal
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