Helpful Tools

Check out these web sites for on-line tools to practice your algebra and statistics skills.

Data analysis - good explanations of the various graphs and displays that we cover in class

Normal distribution - easy to read explanation of the key features of the normal distribution with graphical displays

Substitution Method - Solve a system of linear equations using the substitution method (1 video among many on the Khan Academy site. You should be able to click on other examples form this link as well) 

Elimination Method - Solve a system of linear equations using the elimination method (1 video among many on the Khan Academy site. You should be able to click on other examples form this link as well) 

Graphing Inequalities - On-line graphing tool that lets you plot and compare regions of multiple inequalities on one graph.