Throughout this website, you will find lots of free resources to help you do the best for your A-Level in Maths. We have detailed explanations and examples for all topic areas (currently AS), A-Level practice papers for the new maths specification, past exam papers, questions grouped by topic and many more resources.

**Question of the Week**

The points P(-3,2), Q(9,10) and R(a,4) lie on a circle. Given that PR is a diameter of the circle, show that a=13.

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