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

Question

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The Answer of 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

Given Vectors u=⟨−2,5⟩\mathbf { u } = \langle - 2,5 \rangleu=⟨−2,5⟩

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