43
QuizMultiple Choice
Applying Vectors in the Plane — Cumulative exam
Question 43 • Precalculus
Given u = and v = ⟨3, –4⟩, what is u · v?
Answer
A
Negative 4 StartRoot 3 EndRoot minus 3
B
Negative 4 StartRoot 3 EndRoot + 3
C
3 StartRoot 3 EndRoot minus 4
D
3 StartRoot 3 EndRoot + 4