adding matrices 28 videos
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Square Matrices
Precalculus Systems of Linear Equations and Matrices
How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be.
matrices rows columns dimension matrix multiplication -
Introduction to Matrices
Algebra 2 Matrices
How to talk about matrices.
matrix dimensions element row column -
Augmented Matrices
Algebra 2 Matrices
How to use matrices to solve a system of linear equations.
augmented matrix row operations scalar multiple -
Adding and Subtracting Complex Numbers
Algebra 2 Roots and Radicals
How to add and subtract complex numbers.
adding and subtracting complex numbers -
Solving Systems using Matrices
Algebra Solving Systems of Equations
How to use matrices to solve a system of equations.
matrix coefficient matrix inverse matrix system of equations -
Adding and Subtracting
Pre-Algebra Whole Numbers
Using the number line to represent adding and subtracting whole numbers
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Adding and Subtracting Polynomials
Pre-Algebra Polynomials
Adding and subtracting polynomials with pictures or aligning vertically
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Matrix Operations
Algebra 2 Matrices
How to use simple matrix operations.
adding matrices scalar multiple matrix matrices -
Invertible Square Matrices and Determinants
Precalculus Systems of Linear Equations and Matrices
How to determine whether a square matrix is invertible using its determinant.
square matrices invertible determinant zero determinant inverse of a 2x2 matrix -
Adding and Subtracting Rational Expressions
Algebra 2 Rational Expressions and Functions
How to add and subtract rational expressions.
rational expressions adding subtracting lcd least common denominator factoring -
The Inverse of a Square Matrix
Precalculus Systems of Linear Equations and Matrices
How to determine whether two matrices are inverses.
matrices square matrices the identity matrix matrix multiplication invertible inverse matrix -
Adding/Subtracting Fractions- Like Denominators
Pre-Algebra Fractions and MIxed Numbers
Adding and subtracting fractions that have the same denominator, including a visual representation
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Adding/Subtracting Fractions- Unlike Denominators
Pre-Algebra Fractions and MIxed Numbers
Drawing pictures and procedures for adding or subtracting fractions with unlike denominators
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Adding Vectors
Precalculus Vectors and Parametric Equations
How to add vectors geometrically two ways.
Displacement Vector Addition Head to Tail Method Parallelogram Method -
Adding and Subtracting Polynomials
Algebra Polynomials
How to add or subtract polynomials.
simplify combine like terms -
Adding and Subtracting Radical Expressions
Algebra Radical Expressions and Equations
How to add and subtract radical expressions.
square root radical radicand like radicals -
Adding and Subtracting Rational Expression
Algebra Rational Expressions and Functions
How to add or subtract rational expressions.
common denominator excluded value -
The Identity Matrix
Precalculus Systems of Linear Equations and Matrices
How to determine the identity matrix of order n.
matrices square matrices the identity matrix matrix multiplication -
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2x2 Determinants
Precalculus Systems of Linear Equations and Matrices
How to compute the determinant of a 2x2 square matrix.
square matrices determinant 2x2 determinant
