# determinant row operations column operations interchanging rows common factors adding a multiple of one row to another   224 videos

• #### Simplifying Determinants

##### PrecalculusSystems of Linear Equations and Matrices

How to simplify determinants using three row (or column) operations.

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• #### Matrix Operations

##### Algebra 2Matrices

How to use simple matrix operations.

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• #### Augmented Matrices

##### Algebra 2Matrices

How to use matrices to solve a system of linear equations.

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• #### Greatest Common Factors

##### AlgebraFactoring

How to find the greatest common factor of 2 or more expressions.

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• #### 3x3 Determinants

##### PrecalculusSystems of Linear Equations and Matrices

How to compute the determinant of a 3x3 square matrix using minors by expanding along the top row.

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• #### Order of Operations

##### AlgebraPre-Algebra

How to use the order of operations to simplify expressions.

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• #### Order of Operations

##### Pre-AlgebraIntegers

How to use the order of operations to simplify expressions.

simplify PEMDAS expression
• #### Common Algebra II Mistakes

##### Algebra 2Additional Topics

How to avoid making an order of operation mistake.

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• #### Square Matrices

##### PrecalculusSystems 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.

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• #### Definition of One-to-One Functions

##### Algebra 2Inverse, Exponential and Logarithmic Functions

How to define a one-to-one function.

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• #### Least Common Multiple

##### Pre-AlgebraPrime Numbers

Vocabulary of multiples and least common multiples

• #### Set Operation: Union

##### PrecalculusLinear Equations and Inequalities

How to define union.

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• #### Set Operation: Intersection

##### PrecalculusLinear Equations and Inequalities

How to solve define intersection.

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• #### Set Operation: Union

##### Algebra 2Linear Inequalities

How to define union.

Venn diagram union set operation or
• #### Set Operation: Intersection

##### Algebra 2Linear Inequalities

How to solve define intersection.

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• #### Introduction to Matrices

##### Algebra 2Matrices

How to talk about matrices.

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• #### Vector Operations in 3D

##### PrecalculusVectors and Parametric Equations

How to perform vector operations like addition, scalar multiplication, the dot product, and finding the magnitude, in three dimensions.

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• #### Complex Fractions and Order of Operations

##### Pre-AlgebraFractions and MIxed Numbers

Simplifying fractions when simplifying with the order of operations

• #### Factoring Greatest Common Factor

##### Pre-AlgebraPolynomials

Factoring is turning a sum or difference into a product

• #### 2x2 Determinants

##### PrecalculusSystems of Linear Equations and Matrices

How to compute the determinant of a 2x2 square matrix.

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