Characteristics
A function is considered to be a quadratic function if the equation has a degree or highest exponent of 2. The standard form of a quadratic equation is y = ax2 + bx + c where a, b, c are real numbers and a
0. All functions of this form have similar characteristics.
Sources
Embracing Mathematics, Assessment & Technology in High Schools; A Michigan Mathematics & Science Partnership Grant Project
Holt, Rinehart & Winston, "Characteristics of Quadratic Functions." http://my.hrw.com/math06_07/nsmedia/lesson_videos/alg1/player.html?contentSrc=6371/6371.xml (accessed 8/18/210).
Walsh, Shelley. "Shelley's Mathematical Articles." http://homepage.mac.com/ shelleywalsh/MathArt/mathart.htm (accessed 7/13/2010).