The circle C C\,C has equation
x2+y2−2x+6y=26x^2 + y^2 - 2x + 6y = 26x2+y2−2x+6y=26
a.
Find the coordinates of the centre of CCC.
[3]
b.
Find the radius of CCC.
[1]
Markscheme
1.3.3 Coordinate geometry in the (x, y) plane Questions
8 exam-style questions on WJEC A Level Maths 1.3.3 Coordinate geometry in the (x, y) plane. Each one has a worked solution and a mark scheme showing where the marks go.