Least Squares Fit Line Manipulate points and fit a line by hand. Visualize the meaning of "least squares" and compute the least squares fit line for your data. http: //exploremath.com/activities/Activity_page.cf...
Systems of Linear Inequalities In Standard Form Experiment with and and visualize solution sets for a system of up to six linear inequalities in standard form. http: //exploremath.com/activities/Activity_page.cf...
Create a Graph How about Creating your own Graph? Really. See for yourself; it's easy to create and even print your own graphs and charts http: //nces.ed.gov/nceskids/graphing/index.asp