Auto Racing
Baseball
Basketball
Boxing
Cycling
Figure Skating
Football (Soccer)
Football (American)
Canadian Football League
Golf
Men's Golf
Women's Golf
Thoroughbred Horse Racing
Harness Racing
Ice Hockey
Skiing
Tennis
General sporting events
Births
Deaths
... for details. Derivation The quadratic formula is derived by the method of completing the square[?]. <math>ax^2+bx+c=0</math> Dividing our ...