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Discussion: All Topics in Algebra
Topic: Is "variable" confusing to students?


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Subject:   RE: Is 'variable' confusing to students?
Author: LFS
Date: May 14 2009
Here are free applets that you can use for linear inequalities in

    1 variable (number line)
http://mathcasts.org/gg/enliven/ns/numberline/inequality1/inequality1_index.html

    2 variables (shades area in the plane)
http://mathcasts.org/gg/enliven/af/lines/inequality2/inequality2_index.html

You should be able to use them online or download for school LAN or for totally
offline.

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