$\mathbf{a} = \begin{pmatrix}5\\-1\end{pmatrix}$ and $\mathbf{b} = \begin{pmatrix}-3\\-4\end{pmatrix}$.
(main)[2]
Express $\mathbf{a} + 2\mathbf{b}$ as one vector.
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The vector is $(-1,-9)$.” …
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