X 2 y 2 4x 8y 0
- X 2 y 2 4x 8y 16 0
- X 2 y 2 4x 8y 5 0
- X 2 y 2 4x 8y 20 0
- X 2 y 2 4x 8y 45 0
- X 2 y 2 4x 8y 11 0
- X 2 y 2 4x 8y 8 0
- X 2 y 2 4x 8y 4 0
- X 2 y 2 4x 8y 55 0
- X 2 y 2 4x 8y 45 0 find centre and radius
- X 2 y 2 4x 8y 41 0
- X 2 y 2 4x 8y 15 0
- X 2 y 2 4x 8y 10 0
- Circle x 2 y 2 4x 8y 5 0 will intersect
- X 2 2y 2 2xy 4x 8y 7 0