Answers PGHS Precalculus B Dot Product and WorkQuestion 10

10

QuizMultiple Choice

Dot Product and Work

Question 10 • *PGHS Precalculus B

Given u = ⟨3, 2⟩, v = ⟨1, 5⟩, and the angle between the vectors is 45°, what is u · v?

Answer

A

3

B

4

C

13

D

21

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