Answer
$ \vec {AB}=\lt 2,4 \gt$
The equivalent representation starting at the origin is a vector from point $(0,0)$ to the point $\lt 2,4 \gt$.
Work Step by Step
Find vector for $ \vec {AB}$
$ \vec {AB}=\lt x_2-x_1,y_2-y_1 \gt$
$ \vec {AB}=\lt -3-(-5),3-(-1) \gt$
$ \vec {AB}=\lt 2,4 \gt$
The equivalent representation starting at the origin is a vector from point $(0,0)$ to the point $\lt 2,4 \gt$.
