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## Precalculus

Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors

## 9. Matrices and Determinants

Matrix Solutions to Linear Systems

## Write the Augmented Matrix for a Linear System

Matrix Solutions to Linear Systems

## Perform Matrix Row Operations

3 videos

### VIDEOS 3

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Matrix Solutions to Linear Systems

## Use Matrices and Gaussian Elimination to Solve Systems

5 videos
Matrix Solutions to Linear Systems

## Use Matrices and Gauss-Jordan Elimination to Solve Systems

3 videos
Inconsistent and Dependent Systems and Their Applications

## Apply Gaussian Elimination to Systems Without Unique Solutions

4 videos
Inconsistent and Dependent Systems and Their Applications

## Apply Gaussian Elimination to Systems With More Variables Than Equations

4 videos
Inconsistent and Dependent Systems and Their Applications

## Solve Problems Involving Systems Without Unique Solutions

4 videos

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Matrix Operations and Their Applications

## Use Matrix Notation

Matrix Operations and Their Applications

## Understand What is Meant by Equal Matrices

4 videos
Matrix Operations and Their Applications

1 video

### VIDEOS 1

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Matrix Operations and Their Applications

## Perform Scalar Multiplication

1 video

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Matrix Operations and Their Applications

## Solve Matrix Equations

3 videos

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Matrix Operations and Their Applications

## Multiply Matrices

3 videos

### VIDEOS 3

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Matrix Operations and Their Applications

## Model Applied Situations with Matrix Operations

4 videos
Multiplicative Inverses of Matrices and Matrix Equations

## Find the Multiplicative Inverse of a Square Matrix

5 videos
Multiplicative Inverses of Matrices and Matrix Equations

## Use Inverses to Solve Matrix Equations

4 videos
Multiplicative Inverses of Matrices and Matrix Equations

## Encode and Decode Messages

4 videos
Determinants and Cramer's Rule

## Evaluate a Second & Third-Order Determinant

Determinants and Cramer's Rule

## Solve a System of Linear Equations in Two & Three Variables Using Cramer's Rule

3 videos
Determinants and Cramer's Rule

4 videos