Mathematics 9709 · AS & A Level · Coordinate geometry

Coordinate geometry — practice question

The coordinates of points $A$ and $B$ are $(8, 3)$ and $(p, q)$ respectively. The perpendicular bisector of $AB$ is given by $y = -2x + 4$.

(main)[4]

Determine the values of $p$ and $q$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Gradient of $AB$ determined as $\frac12$” …