Higher November 2024 Paper 1 Q9
9
\[\begin{pmatrix} a \\ 2 \end{pmatrix} + \begin{pmatrix} 1 \\ 3b \end{pmatrix} = \begin{pmatrix} 5 \\ 20 \end{pmatrix}\]Work out the values of \(a\) and \(b\). [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| \(a = 4\) | B1 | |
| \(2 + 3b = 20\) or \(3b = 18\) | M1 | |
| \(b = 6\) | A1 |