Answers Precalculus Dot Product and Work — Unit testQuestion 1

1

QuizMultiple Choice

Dot Product and Work — Unit test

Question 1 • Precalculus

Let q = ⟨15, –3⟩, r = ⟨–5, 8⟩, and s = ⟨10, –1⟩. What is r – q + 2s?

Answer

A

⟨0, 3⟩

B

⟨0, 9⟩

C

⟨40, 3⟩

D

⟨40, -13⟩

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