The circles x2+y2=9x^2+y^2=9x2+y2=9 and (x−7)2+y2=16(x-7)^2+y^2=16(x−7)2+y2=16 touch.
Show that they touch externally.
[3]
Markscheme
1.3.4 Coordinate geometry in the (x, y) plane Questions
8 exam-style questions on WJEC A Level Maths 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.