Mathematics 9709 · AS & A Level · Coordinate geometry

Coordinate geometry — practice question

(main)[6]

Point $A$ is at $(-1, -5)$ and point $B$ is at $(7, 1)$. The perpendicular bisector of $AB$ crosses the $x$-axis at $C$ and the $y$-axis at $D$. Find the length of $CD$.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: Recognises points $A(-1,-5)$ and $B(7,1)$ together with midpoint $M(3,-2)

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