Which of the following is parallel to the vector (-14, 0, 7)? i. (-2, 0, -1) ii. (14, 0, 7) iii. (1, 0, -1/2)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 13E
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Justify your answer.
Which of the following is parallel to the vector (-14, 0, 7)?
i. (-2, 0, -1)
ii. (14, 0, 7)
iii. (1, 0, -1/2)
Which of the following is not a unit vector?
i. (-2/√5, 0, -1/√5)
ii. (cos 1, sin 1, 0)
iii. (1, 1, 1)
Which of the following is an orthogonal pair of vectors?
i. (1, 0, 1) and (1, 1, 0)
ii. (1, 1, 0) and (0, 0, 1)
iii. (0, 0, 1) and (1, 0, 1)
Transcribed Image Text:Justify your answer. Which of the following is parallel to the vector (-14, 0, 7)? i. (-2, 0, -1) ii. (14, 0, 7) iii. (1, 0, -1/2) Which of the following is not a unit vector? i. (-2/√5, 0, -1/√5) ii. (cos 1, sin 1, 0) iii. (1, 1, 1) Which of the following is an orthogonal pair of vectors? i. (1, 0, 1) and (1, 1, 0) ii. (1, 1, 0) and (0, 0, 1) iii. (0, 0, 1) and (1, 0, 1)
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