Mathematics 4024 · O Level · Length and midpoint

Length and midpoint — practice question

A has coordinates $(-4,3)$, while B has coordinates $(2,-7)$.

(a(i))[1]

Find the vector $\overrightarrow{AB}$.

(a(ii))[2]

Find the coordinates of the midpoint of line AB.

(b)[2]

$\overrightarrow{CD}=\begin{pmatrix}-5\\11\end{pmatrix}$. Find $|CD|$.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\begin{pmatrix}6\\-10\end{pmatrix}$” …