Quick questions on Vectors: column vectors, vector arithmetic and geometric proof - Edexcel GCSE Maths

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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Find the magnitude of the vector

\begin{pmatrix} 5 \\ 12 \end{pmatrix}

. [2 marks]

What is q2?

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\mathbf{p} = \begin{pmatrix} 1 \\ 4 \end{pmatrix}

and

\mathbf{q} = \begin{pmatrix} 3 \\ -2 \end{pmatrix}

. Work out

\mathbf{p} + 2\mathbf{q}

as a column vector. [2 marks]

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