http://1-formula.com/mathematical-formulas/quadratic-formula.html Quadratic formula is used to find two points in graphics en-us Wed, 2 Jul 2008 12:10:41 GMT Wed, 23 Jul 2008 19:58:11 GMT www.1-formula.com www.1-formula.com http://1-formula.com/mathematical-formulas/quadratic-formula/quadratic-formula3.html Quadratic formula is used to find two points in graphics Wed, 23 Jul 2008 19:58:11 GMT http://1-formula.com/mathematical-formulas/quadratic-formula/quadratic-formula3.html