Mathematics 0580 · IGCSE · Vectors in two dimensions

Vectors in two dimensions — practice question

$\overrightarrow{DE}=\begin{pmatrix}3\\-4\end{pmatrix}$
(a)[1]

Calculate $5\overrightarrow{DE}$.

(b)[2]

Calculate $|\overrightarrow{DE}|$.

(c)[2]

State the coordinates of point E.

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This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\begin{pmatrix}15\\-20\end{pmatrix}$” …

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