Answers Precalculus Dot Product and Work — Unit testQuestion 20

20

QuizMultiple Choice

Dot Product and Work — Unit test

Question 20 of 25 • Precalculus

Let r = ⟨7, 1⟩, s = ⟨–6, 2⟩, and t = ⟨–9, –3⟩. What is 10r + s – t?

Answer

A

⟨55, 9⟩

B

⟨55, 15⟩

C

⟨73, 6⟩

D

⟨73, 15⟩

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