Review the videos under Chapter 7: Systems of Equations and Inequalities (the website corresponds to a different textbook, but the content is the same.)
Enjoy!
http://www.phschool.com/webcodes10/index.cfm?wcprefix=ate&wcsuffix=0775&fuseaction=home.gotoWebCode&x=0&y=0
Wednesday, May 6, 2009
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