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4.11 Vectors (A-level only)

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Question 18

The points $A\,$ and $B\,$ have position vectors $3)\begin{pmatrix} -2 \ 5 \ 3 \end{pmatrix}$ and $−1)\begin{pmatrix} 2 \ 1 \ -1 \end{pmatrix}$ respectively.

Find the exact length of $A B$ .

[2]

Find the position vector of the midpoint of $A B$ .

[1]

The points $P\,$ and $Q\,$ have position vectors $−2)\begin{pmatrix} 7 \ -5 \ -2 \end{pmatrix}$ and $2)\begin{pmatrix} 3 \ -1 \ 2 \end{pmatrix}$ respectively. Show that $ABPQ\,$ is a parallelogram.

[3]

Markscheme

4.11 Vectors (A-level only) Questions

A Level
Maths
4.11 Vectors (A-level only)

133 exam-style questions on WJEC A Level Maths 4.11 Vectors (A-level only), covering 4.11.1 Vectors (A-level only) and 4.11.2 Vectors (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

4.11 Vectors (A-level only)

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4.11 Vectors (A-level only)

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Question 18

The points $A\,$ and $B\,$ have position vectors $3)\begin{pmatrix} -2 \ 5 \ 3 \end{pmatrix}$ and $−1)\begin{pmatrix} 2 \ 1 \ -1 \end{pmatrix}$ respectively.

Find the exact length of $A B$ .

[2]

Find the position vector of the midpoint of $A B$ .

[1]

The points $P\,$ and $Q\,$ have position vectors $−2)\begin{pmatrix} 7 \ -5 \ -2 \end{pmatrix}$ and $2)\begin{pmatrix} 3 \ -1 \ 2 \end{pmatrix}$ respectively. Show that $ABPQ\,$ is a parallelogram.

[3]

Markscheme

4.11 Vectors (A-level only) Questions

A Level
Maths
4.11 Vectors (A-level only)