Solve the Problem $\mathbf { u } = \langle - 3,5 \rangle$

question 411

Multiple Choice

Solve the problem.
-If $\mathbf { u } = \langle - 3,5 \rangle$ and $\mathbf { v } = \langle 4 , - 8 \rangle$ , evaluate $\mathbf { u } \cdot ( 5 \mathbf { v } )$

• A) \(- 265\)
• B) \(- 257\)
• C) \(- 260\)
• D) \(- 188\)