Coordinate Geometry

Subdecks (1)

Cards (7)

  • The equation of a circle with centre (a,b) and radius r is:
    (x-a)^2 + (y-b)^2 = r ^2
  • If b^2-4ac >0
    2 real roots
  • If b^2-4ac =0
    1 repeated root
  • If b^2-4ac <0
    no real roots