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# Matrix Algebra

## Add, subtract, and multiply matrices based on the positions of entries.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Using All Matrix Operations

This lesson covers simplifying matrix expressions using all the previously learned matrix operations.
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## Matrix Algebra

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• PLIX

## Matrix Algebra: Color Matching Matrices

Matrix Algebra Interactive
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## Matrix Algebra: Match, Multiply, Match

Matrix Algebra Interactive
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