(a)[1]
Find the coordinate pair of point $D$.
(b)[2]
Find the value of $|\vec{AD}|$.
(c)[3]
Find the vector $\vec{AC}$.
(d)[4]
The straight line $L$ is perpendicular to $AB$ and passes through point $D$. Find the equation of line $L$.
Mathematics 4024 · O Level · Vectors in two dimensions
Vectors in two dimensions — practice question
$ABCD$ is a parallelogram whose sides are $AB$, $BC$, $CD$ and $DA$. The point $A$ is $(-3,7)$ and the point $B$ is $(2,5)$. $\vec{AD} = \begin{pmatrix}-1\\-6\end{pmatrix}$.