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| Jim Loy | Introduction to Matrices |
| Math Abundance | An Introduction to Matrices |
| Project GCSE | Matrices |
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| S.O.S. Math | Matrices |
| S.O.S. Math | Introduction and Basic Operations |
| S.O.S. Math | System of Equations: An Introduction |
| S.O.S. Math | Systems of Linear Equations: Gaussian Elimination |
| S.O.S. Math | Systems of Equations in Two Variables |
| S.O.S. Math | Systems of Equations in Three Variables |
| SparkNotes | Solving Systems of Three Equations by Addition and Subtraction |
| SparkNotes | Solving Systems of Three Equations Using Matrices and Row Reduction |
| SparkNotes | Solving Systems of Three Equations Using Matrices and Cramer's Rule |
| WTAMU | Solving Systems of Linear Equations in Three Variables |
| James Jones | Determinant of a Square Matrix |
| James Jones | Applications of Matrices and Determinants |
| Jim Loy | Determinants |
| KryssTal | Determinants |
| Math Abundance | Determinants |
| S.O.S. Math | Introduction to Determinants |
| S.O.S. Math | Determinants of Matrices of Higher Order |
| S.O.S. Math | Determinant and Inverse of Matrices |
| S.O.S. Math | Invertible Matrices |
| S.O.S. Math | Special Matrices: Triangular, Symmetric, Diagonal |
| MathCentre | Cramer's Rule |
| S.O.S. Math | Application of Determinant to Systems: Cramer's Rule |
| James Jones | Operations with Matrices |
| Rainer Radok | Addition of Matrices |
| S.O.S. Math | Multiplication of Matrices |
| S.O.S. Math | Elementary Operations for Matrices |
| James Jones | Inverse of a Square Matrix |
| James Jones | Matrices and Systems of Equations |
| Math Abundance | Systems of Linear Equations |
| Math Abundance | Linear Systems, Matrices, Determinants |
| S.O.S. Math | Algebraic Properties of Matrix Operations |
| S.O.S. Math | Complex Numbers as Matrices |
| Destination Math | Mastering Algebra 1 Glossary |
| Jim Loy | Words of Mathematics |
| Hofstra | Matrix Addition and Scalar Multiplication |
| Hofstra | Matrix Multiplication |
| Hofstra | Matrix Inversion |
| MathGuide | Quizmaster: 2x2 Determinants |
| MathGuide | Quizmaster: 3x3 Determinants |
| SparkNotes | Solving Systems of Three Equations by Addition and Subtraction |
| SparkNotes | Solving Systems of Three Equations Using Matrices and Row Reduction |
| SparkNotes | Solving Systems of Three Equations Using Matrices and Cramer's Rule |
| EdHelper | Algebra Worksheets |
| EdHelper | Matrices Worksheets |