Class Activity: Dot Product

This is a graded class activity and is supposed to be completed in 10 minutes.

Determine the dot product of the following vectors:

$V=\begin{bmatrix} 2\\ -1\\ 3\\ 5 \end{bmatrix}$  ,   $U=\begin{bmatrix} 1\\ -1\\ -1\\ 1 \end{bmatrix}$