GCSE Maths Practice: vectors

\( \begin{array}{l}\text{If } \overrightarrow{AB} = \begin{pmatrix}4\\-2\end{pmatrix},\ \text{what is } \overrightarrow{BA}?\end{array} \)

Choose one option:

\( \begin{pmatrix}-4\\2\end{pmatrix} \) \( \begin{pmatrix}-2\\4\end{pmatrix} \) \( \begin{pmatrix}4\\2\end{pmatrix} \) \( \begin{pmatrix}2\\-4\end{pmatrix} \)