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

question 369

Multiple Choice

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

• A) 66
• B) 57
• C) 76
• D) 84