http://www.ck12.org Chapter 8. Systems and Matrices
CHAPTER
8 Systems and Matrices
Chapter Outline
8.1 Systems of Two Equations and Two Unknowns
8.2 SYSTEMS OFTHREEEQUATIONS ANDTHREEUNKNOWNS
8.3 MATRICES TOREPRESENTDATA
8.4 MATRIXALGEBRA
8.5 ROWOPERATIONS ANDROWECHELONFORMS
8.6 AUGMENTEDMATRICES
8.7 DETERMINANT OFMATRICES
8.8 CRAMER’SRULE
8.9 INVERSEMATRICES
8.10 PARTIALFRACTIONS
8.11 REFERENCES
You have solved systems of equations in Algebra 1 and Algebra 2 using methods such as substitution and elimina-
tion. These ideas can be extended and improved upon using matrices, which are an array of numbers.