Foundation June 2024 Paper 2 Q20
20
(a) Vector a is drawn on this grid.

Write vector a as a column vector. [2]
(b) A vector is drawn on this grid.

Write this vector in terms of a. [1]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\begin{pmatrix} 2 \\ -3 \end{pmatrix}\) | 2 | B1 for answer \(\begin{pmatrix} 2 \\ k \end{pmatrix}\) or \(\begin{pmatrix} k \\ -3 \end{pmatrix}\) | For B1 allow \(\left(\frac{2}{-3}\right)\) B0 for incorrect numbers with vinculum/fraction line. |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(-\mathbf{a}\) | 1 | ||