Question

Write two functions that together represent a circle.

Answer 1

Seeing that the Equation of a Circle is repersented by: x² + y² + Dx + Ey + F = 0
Where E, F, and D are constants.
Factorise this and it becomes;
(x - h)² + (y + k)² = r²
An example would be;
(x-3)² + (x - 2)² = 4

Hope this helped :)