Higher June 2018 Paper 5 Q3
3 Work out.
(a) \(\begin{pmatrix} -3 \\ 2 \end{pmatrix} + \begin{pmatrix} 5 \\ 7 \end{pmatrix}\) [1]
(b) \(\begin{pmatrix} 3 \\ 4 \end{pmatrix} - 2\begin{pmatrix} 1 \\ -3 \end{pmatrix}\) [2]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\begin{pmatrix} 2 \\ 9 \end{pmatrix}\) | 1 | In (a) and (b) penalise first occurrence of fraction line in vector | |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\begin{pmatrix} 1 \\ 10 \end{pmatrix}\) | 2 | B1 for answer \(\begin{pmatrix} 1 \\ k \end{pmatrix}\) or \(\begin{pmatrix} k \\ 10 \end{pmatrix}\) | |