Find the Dot Product of U and V $$\begin{array} { l } \mathbf { u } = \langle 5,1 \rangle \\\mathbf { v } = \langle - 2,4 \rangle\end{array}$$

Multiple Choice

Find the dot product of u and v.​ $$\begin{array} { l } \mathbf { u } = \langle 5,1 \rangle \\\mathbf { v } = \langle - 2,4 \rangle\end{array}$$ ​

A) -10
B) -8
C) -4
D) -6
E) -2