Answers Precalculus Dot Product and WorkQuestion 2

2

QuizMultiple Choice

Dot Product and Work

Question 2 • Precalculus

Consider vectors u = ⟨2, 1⟩ and v = ⟨4, –1⟩ with the angle between them equal to 40°. What are the scalar projections uv and vu?

Answer

A

uv = 1.33 and vu = 1.33

B

uv = 1.33 and vu = 3.16

C

uv = 1.71 and vu = 1.33

D

uv = 1.71 and vu = 3.16

More from this Course

10 verified answers

Solving Matrix Equations

9 verified answers

Unit Test

10 verified answers

Dot Product and Work