Video lesson: Solving a system of equations with the TI-84+

When you are given multiple equations and multiple variables, a graphing calculator can be a lifesaver.  New versions of the TI-84+ come with a pre-installed app the makes these problems a snap.  This video lesson covers solving systems equations by the elimination, or linear combination method, before covering how to use the TI-84 plus to solve.


The lesson does require you to have the PLYSMT2 app installed on your TI-84.  If you don’t have that app, you can download it free from the TI website.  We’ll have a tutorial on how to install apps soon.

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