Using Square Roots
Sources
Embracing Mathematics, Assessment & Technology in High Schools; A Michigan Mathematics & Science Partnership Grant Project
Holt, Rinehart & Winston, "Quadratic Equations and Functions." http://my.hrw.com/math06_07/nsmedia/homework_help/alg1/alg1_ch09_07_homeworkhelp.html (accessed 7/22/2010).
Kuta Software, www.kutasoftware.com/free.html (accessed 07/22/2010).