Solve the Problem $\mathbf { u } = \langle - 5,7 \rangle , \mathbf { v } = \langle 8,6 \rangle$

question 258

Multiple Choice

Solve the problem.
-If $\mathbf { u } = \langle - 5,7 \rangle , \mathbf { v } = \langle 8,6 \rangle$ , and $\mathbf { w } = \langle - 11,2 \rangle$ , evaluate $\mathbf { u } \cdot \mathbf { v } - \mathbf { u } \cdot \mathbf { w }$ .

• A) \(- 40\)
• B) \(- 67\)
• C) \(- 63\)
• D) \(- 72\)

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