Mathematics 4024 · O Level · Perpendicular lines

Perpendicular lines — practice question

$P$ denotes the point $(-1,4)$, while $Q$ denotes the point $(-3,-2)$.

(a)[1]

Find the coordinates of the midpoint of $PQ$.

(b)[4]

Find the equation of the line that is perpendicular to $PQ$ and passes through $P$.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The midpoint is $(-2,1)$.” …