Solving Linear Systems Using Matrix Algebra - Concept

Concept Concept (1)

One of the most commonly used applications of square matrices is solving systems of linear equations. The methods of solving systems of linear equations using matrix algebra are much more efficient than hand calculating the systems using substitution. This is especially true when dealing with systems of 3 or more variables. Two methods of matrix algebra include row reducing and finding the inverse.

Sample Sample Problems (3)

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Solving Linear Systems Using Matrix Algebra - Problem 1
Problem 1
How to solve two linear equations in two unknowns using matrix algebra.
Solving Linear Systems Using Matrix Algebra - Problem 2
Problem 2
How to solve three linear equations in three unknowns using matrix algebra.
Solving Linear Systems Using Matrix Algebra - Problem 3
Problem 3
How to solve three linear equations in three unknowns using the TI-84 to find the inverse of the coefficient matrix.