A circle C C\,C has centre (5,k)(5, k)(5,k), where k k\,k is a positive constant.
C C\,C touches the xxx-axis, and passes through the point (8,9)(8, 9)(8,9).
Find an equation for CCC.
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Markscheme
1.6.2 Coordinate geometry of the circle Questions
60 exam-style questions on AQA A Level Maths 1.6.2 Coordinate geometry of the circle. Each one has a worked solution and a mark scheme showing where the marks go.