Edexcel C2 — Question 11

Exam BoardEdexcel
ModuleC2 (Core Mathematics 2)
TopicCircles

11. A circle \(C\) has equation $$x ^ { 2 } + y ^ { 2 } - 10 x + 6 y - 15 = 0$$
  1. Find the coordinates of the centre of \(C\).
  2. Find the radius of \(C\).
    [0pt] [P3 June 2001 Question 1]