The points A A\,A and B B\,B have coordinates (−3,5)(-3, 5)(−3,5) and (k,−4)(k, -4)(k,−4) respectively. Given that AB AB\,AB is a diameter of the circle CCC.
Find an equation for C C\,C in terms of kkk.
292 exam-style questions on Edexcel A Level Maths Circles, covering 6.1 Midpoints and Perpendicular Bisectors, 6.2 Equation of a Circle, 6.3 Intersections of Straight Lines and Circles, 6.4 Use Tangent and Chord Properties, and 6.5 Circles and Triangles. Each one has a worked solution and a mark scheme showing where the marks go.