Answers MA-Precalculus Cumulative Exam — Cumulative examQuestion 30

30

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Cumulative Exam — Cumulative exam

Question 30 • MA-Precalculus

Given u = and v = ⟨3, –4⟩, what is u · v?

Question illustration

Answer

A

Negative 4 StartRoot 3 EndRoot minus 3

Option A

B

Negative 4 StartRoot 3 EndRoot + 3

Option B

C

3 StartRoot 3 EndRoot minus 4

Option C

D

3 StartRoot 3 EndRoot + 4

Option D

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Cumulative Exam

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Unit Test

Given u = and v = ⟨3, –4⟩, what is u · v?