9. Matrices and Determinants

Evaluate Higher-Order Determinants

Determinants and Cramer's Rule

Ex: Find the Value of a 4x4 Determinant Using Cofactor Expansion (with Zeros)

Finding the Determinant of a 3x3 Matrix

How To Find The Determinant of a 4x4 Matrix

Evaluate the Determinant of a 4x4 Matrix

Solving Systems Using Cramer's Rule

Cramer's Rule to Solve a System of 3 Linear Equations - Example 2

Determinant of a 4X4 Matrix

Evaluating the Determinant of a Matrix

Cramer's Rule to Solve a System of 3 Linear Equations - Example 1

Cramer's Rule :  A Proof  / Justification for a System of 2 Linear Equations, 2 Unknowns

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

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1. Fundamental Concepts of Algebra

2. Functions and Graphs

3. Polynomial and Rational Functions

4. Exponential and Logarithmic Functions

5. Trigonometric Functions

6. Analytic Trigonometry

7. Additional Topics in Trigonometry

8. Systems of Equations and Inequalities

10. Conic Sections and Analytic Geometry

11. Sequences, Induction, and Probability

12. Introduction to Calculus

Find the Multiplicative Inverse of a Square Matrix

Use Inverses to Solve Matrix Equations

Encode and Decode Messages

Multiplicative Inverses of Matrices and Matrix Equations

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 Their Applications

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 and Their Applications

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

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Jules

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Physics

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General Biology

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Financial Accounting

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Psychology

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

College Algebra

Organic Chemistry

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Genetics

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GOB Chemistry

Microbiology

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

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Biochemistry

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Building Great Presentations

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Critical Thinking And Problem Solving

Sam Bennett

Embracing Times Of Uncertainty

Nicole Tetreault, PhD

Emotional Intelligence Basics

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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

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Leadership Skills For Rising Stars

Listening To Lead

Michael Shermer, PhD

Making Decisions Under Uncertainty

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Mistakes To Avoid When Resolving Conflict

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Overcoming Decision Making Traps

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Prioritizing Effectively

Secrets Of Effective Prioritization

Strategies To Build Up Your Creativity

Tools For Decision Making

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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

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Dive deep into Python with videos and more.

Introduction to Python

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Agile Project and Product Management

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Introduction to Microsoft Power BI

Microsoft Power BI

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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