Higher November 2019 Paper 1 Q17

17 \(\mathbf{a} = \begin{pmatrix} -3 \\ 2 \end{pmatrix}\) and \(\mathbf{b} = \begin{pmatrix} 1 \\ {-}5 \end{pmatrix}\)

Work out \(\quad \mathbf{a} - 3\mathbf{b}\)

Circle your answer. [1 mark]

• \(\begin{pmatrix} -6 \\ 17 \end{pmatrix}\)
• \(\begin{pmatrix} -6 \\ {-}13 \end{pmatrix}\)
• \(\begin{pmatrix} 0 \\ 17 \end{pmatrix}\)
• \(\begin{pmatrix} 0 \\ {-}13 \end{pmatrix}\)