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INTRODUCTION TO MATRICES

As mentioned in the previous unit, finding solutions to a system of equations by elimination of variables is a first step in applying Matrix Algebra to solving systems of equations. In this unit we will discuss the important aspects of how Matrices can be used to represent data and we will discuss the rules for matrix addition, subtraction, and multiplication.

 
 
 Matrix Arithmetic (03:27)
 Using Matrix Multiplication to Decode a Message (02:49)
 
 




Below are additional educational resources and activities for this unit.
 
Basic Matrix Operations
 
Matrix Operations