The circle C C\,C has the equation
x2+y2−6x+2y=6. x^2+y^2-6x+2y=6. x2+y2−6x+2y=6.Find the coordinates of the centre and the radius of CCC.
C C\,C crosses the yyy-axis at the points A A\,A and BBB.
Find the coordinates of the points A A\,A and BBB.
37 exam-style questions on Edexcel AS 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.