| Exam Board | Edexcel |
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| Module | AS Paper 1 (AS Paper 1) |
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| Session | Specimen |
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| Topic | Circles |
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- A circle \(C\) has centre \(( 2,5 )\). Given that the point \(P ( - 2,3 )\) lies on \(C\).
- find an equation for \(C\).
The line \(l\) is the tangent to \(C\) at the point \(P\). The point \(Q ( 2 , k )\) lies on \(l\). - Find the value of \(k\).