7. Matrices and Determinants

Encode and Decode Messages

Multiplicative Inverses of Matrices and Matrix Equations

Coding and decoding using matrices

Finding the Inverse of a 3 x 3 Matrix using Determinants and Cofactors - Example 2

Lesson 19 - Solve Systems Of Equations With Inverse Matrices (Linear Algebra)

Finding the Inverse of a 3 x 3 Matrix using Determinants and Cofactors - Example 3

Inverse Matrix Using Gauss-Jordan / Row Reduction , Example 1

Inverse Matrix Using Gauss-Jordan / Row Reduction, Example 2

Applications of Matrices Encoding and Decoding Messages

Inverse Matrices and Their Properties

Inverse Matrices Solving Systems of Equations

PC: 7.8 Notes: Example 8 - Decoding a Message

4.5 Solving Systems Using Inverse Matrices 3X3

Algebra 2 - Inverse Matrices to Encrypt and Decrypt Messages

Finding the Inverse of a 3 x 3 Matrix using Determinants and Cofactors - Example 1

Matrix inverses make sense - A simple condition for when the inverse exists

Solving a 3 x 3 System of Equations Using the Inverse

In Exercises 43–44, (a) Write each linear system as a matrix equation in the form AX = B (b) Solve the system using the inverse that is given for the coefficient matrix. <Image>

In Exercises 39–42, find A^(-1) Check that AA^-1 = I and A^(-1)A = I <Image>

In Exercises 37–38, find the products and to determine whether B is the multiplicative inverse of A. <Image>

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

College Algebra

https://static.studychannel-prd.pearsonprd.tech/courses/college-algebra/thumbnails/college-algebra

#FFFFFF

patrickJMT

Looking Glass Universe

Professor Dave Explains

David Friday

Math and Science

AcademyOfBailey

yaymath

MrKlineTL

Catherine Sporer

Mario's Math Tutoring

1. Fundamental Concepts of Algebra

2. Equations and Inequalities

3. Functions and Graphs

4. Polynomial and Rational Functions

5. Exponential and Logarithmic Functions

6. Systems of Equations and Inequalities

8. Conic Sections

9. Sequences, Induction, and Probability

undefined - Channels

Find the Multiplicative Inverse of a Square Matrix

Use Inverses to Solve Matrix Equations

Apply Gaussian Elimination to Systems Without Unique Solutions

Apply Gaussian Elimination to Systems With More Variables Than Equations

Solve Problems Involving Systems Without Unique Solutions

Inconsistent and Dependent Systems 

Write the Augmented Matrix for a Linear System

Perform Matrix Row Operations

Use Matrices and Gaussian Elimination to Solve Systems

Use Matrices and Gauss-Jordan Elimination to Solve Systems

Matrix Solutions to Linear Systems

Evaluate a Second & Third-Order Determinant

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

Evaluate Higher-Order Determinants

Determinants and Cramer's Rule

Use Matrix Notation

Understand What is Meant by Equal Matrices

Add and Subtract Matrices

Perform Scalar Multiplication

Solve Matrix Equations

Multiply Matrices

Model Applied Situations with Matrix Operations

Matrix Operations and Applications

General Chemistry

Jules

Study the key concepts of Physics with descriptive videos, questions, and more

Physics

Patrick

General Biology

Jason

Financial Accounting

Brian

Dive deep into Psychology with videos, practice problems, and more.

Psychology

Microeconomics

The first in a two-course sequence introduces the basic structure and functions of the human body

Anatomy & Physiology

College Algebra covers algebraic topics and skills necessary to succeed in college-level math

Organic Chemistry

Johnny

Genetics

Kylia

GOB Chemistry

Microbiology

Cell Biology

Analytical Chemistry

Study topics incliding trogonometric functions, identities and equations, solutions of triangles, complex numbers, and other topics as time permits

Trigonometry

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

Precalculus

Biochemistry

Macroeconomics

Chemistry

Biology

Math

Business

Social Sciences

Michelle Barry Franco

Building Great Presentations

Eric Zackrison, PhD

Critical Thinking And Problem Solving

Sam Bennett

Embracing Times Of Uncertainty

Nicole Tetreault, PhD

Emotional Intelligence Basics

Eugene Choi, PharmD

Enhancing Your Critical Thinking Skills

Jason Richardson, PsyD

Habits To Win Every Day

Alyssa Lowery, PhD

Having Powerful Advanced Conversations

Don Gilman, EdD

How To Influence & Persuade

Amy Matthews

Leadership Skills For Rising Stars

Listening To Lead

Michael Shermer, PhD

Making Decisions Under Uncertainty

Lynne Hurdle

Mistakes To Avoid When Resolving Conflict

Michael Veltri

Overcoming Decision Making Traps

Mike Vardy

Prioritizing Effectively

Secrets Of Effective Prioritization

Strategies To Build Up Your Creativity

Tools For Decision Making

Tutti Taygerly

Unleash And Advance Your Creativity

Winning Collaboration: How To Work More Effectively With Different Personalities

Writing Emails People Want To Read

Critical Thinking

Self Management

Digital Literacy

Collaboration

Communication

Analytical Thinking

Leadership

Flexibility/Adaptability

Innovation

Eric Zackrison

Nicole Tetreault

Dive deep into Python with videos and more.

Introduction to Python

Arianne Dee

Agile Project and Product Management

Agile & Product Management

Mariya Breyther 

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

Data Analysis - Excel

Chris Sorensen & Ammul Shergill

Getting Started with  and Cryptocurrency

Introduction to Blockchain

George Levy

Learn Enough HTML, CSS and Layout to be Dangerous

HTML, CSS & Layout

Lee Donahoe & Michael Hartl

Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript