CAPE Pure Mathematics Unit 1 · May/June 2015 · Paper 1 · Question Q21

With respect to an origin O, A has coordinates (3, -2). The position vector of 3\,\vec{OA} is

1. (A)(3, -6)
2. (B)(9, -2)
3. (C)\begin{pmatrix} 9 \\ -2 \end{pmatrix}
4. (D)\begin{pmatrix} 9 \\ -6 \end{pmatrix}