Tutorials: CXC CSEC math topic - Algebra
This is a full algebra course.
Please don't forget to do the problems at the end of each lesson.
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Interactive site. This is a good algebra site with interactive manipulation of variables to help you understand solving equations visually.
This 'Algebasics' site is more about demonstration that interaction, but it is very good for those of you who need a lot of help with the basics of algebra. You will need to click along the green bar at the bottom of the page for the demonstration to progress.
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The Math Warehouse has a very clear and simple explanation of matrices that you might want to take a look at if you are unclear about matrix notation, as well as how to add and subtract matrices.
For a good explanation on matrix equations and variables, you would go to this Math Warehouse page.