Mathematics 4024 · O Level · Perpendicular lines

Perpendicular lines — practice question

$A$ lies at $(3,11)$ and $B$ lies at $(-5,-5)$. Line $L$ has equation $2y + x = 5$.
(main)[5]

Show that $L$ is the perpendicular bisector of $AB$.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: The midpoint of $AB$ comes out as $(-1,3)$

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI