The circle C C\,C has centre (3,1)(3, 1)(3,1) and passes through the point P(8,3)P(8, 3)P(8,3).
Find an equation for CCC.
Find an equation for the tangent to C C\,C at PPP, giving your answer in the form ax+by+c=0ax + by + c = 0ax+by+c=0, where aaa, b b\,b and c c\,c are integers.
Practise Edexcel A Level Old Maths Coordinate Geometry - Cirlces with exam-style questions for A Level Old Maths. 5 questions, matched to the Edexcel A Level Old Maths (9371) specification and written in Unit exams C1, C2, C3 and C4 plus two applied units (e.g. S1 and M1) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.