To see the Powers of Ten Video, follow this link: http://www.youtube.com/watch?v=0fKBhvDjuy0
Algebra Tiles
Graphing Calculator online
http://www.mathway.com/problem.aspx?p=graphing (use this weblink to graph your equations)
Course Outline 2011-2012
see attachment file below
Wolfram Alpha (Calculates and shows you steps)