I don't know correct english terminology, but I think the OP confuses [[Quadratic equation]] with [[Quadratic function]]. [[User:Leopeo|Leopeo]] 16:00, 10 November 2007 (EST) | I don't know correct english terminology, but I think the OP confuses [[Quadratic equation]] with [[Quadratic function]]. [[User:Leopeo|Leopeo]] 16:00, 10 November 2007 (EST) |