A circle C C\,C with centre (2,1)(2, 1)(2,1) passes through the point (−1,3)(-1, 3)(−1,3). A line L L\,L passes through the points (1,−4)(1, -4)(1,−4) and (10,2)(10, 2)(10,2).
Show that L L\,L is a tangent to CCC.
76 exam-style questions on WJEC A Level Maths 1.3 Coordinate geometry in the (x, y) plane, covering 1.3.1 Coordinate geometry in the (x, y) plane, 1.3.2 Coordinate geometry in the (x, y) plane, 1.3.3 Coordinate geometry in the (x, y) plane, and 1.3.4 Coordinate geometry in the (x, y) plane. Each one has a worked solution and a mark scheme showing where the marks go.