Mathematics 0580 · IGCSE · Magnitude of a vector

Magnitude of a vector — practice question

(a)[2]

Find the size of the vector $\begin{pmatrix}-4\\5\end{pmatrix}$.

(b)[1]

Find $\overrightarrow{CB}$ in terms of $x$ and $y$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$(-4)^2+5^2$” …