Given Vectors $\mathbf { u } = \langle - 2,5 \rangle$

question 119

Multiple Choice

Given vectors $\mathbf { u } = \langle - 2,5 \rangle$ and $\mathbf { v } = \langle 2 , - 4 \rangle$ , determine the quantity indicated below. $\mathbf { u } \cdot - \mathbf { v }$

• A) 20
• B) 2
• C) 16
• D) 24
• E) 18

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