Mathematics 0580 · IGCSE · Magnitude of a vector

Magnitude of a vector — practice question

(a)[2]

Find the magnitude of the vector $\begin{pmatrix}-1 \\ 7\end{pmatrix}$.

(b)[2]

Find the value of $m$.

(c(i))[2]

Find $NM$.

(c(ii))[2]

Find $LM$.

(c(iii))[2]

Find $L^2$.

(c(iv))[2]

Find $L^{-1}$.

Worked solution & mark scheme

This 12-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$7.07$ ” …