3. Polynomial and Rational Functions

Divide Complex Numbers

Complex Numbers

Complex Numbers: Dividing - Ex 2

Multiply complex numbers

Adding and Subtracting Complex (Imaginary) Numbers

Complex Numbers: Dividing - Ex 3

Complex Numbers - Multiplying and Dividing

Solving Quadratic Equations using the Quadratic Formula - Example 2, Complex Solutions

Complex Numbers: Dividing - Ex 1

Rationalize Denominator with Imaginary Part in Complex Number

Solving using the quadratic formula with complex solutions

Operations with Square Roots with Negative Numbers in the Radicand

Subtract complex numbers: combining like terms

Complex Numbers - Graphing, Adding, Subtracting

Perform Operations with Square Roots of Negative Numbers

solving a quadratic equation with complex roots

Multiply two complex numbers

Complex Solutions (imaginary) Part 2 of Parabola Quadratic Equation

Complex Numbers: Operations, Complex Conjugates, and the Linear Factorization Theorem

Complex Numbers:  Multiplying - Ex 2

Add complex numbers by combining like terms

Solving Quadratic Equations by Quadratic Formula Part 2 Complex Number/Imaginary Solution

Complex Numbers:  Multiplying - Ex 1

Complex Numbers: Multiplying and Dividing in Polar Form, Ex 1

Complex Numbers: Multiplying and Dividing in Polar Form, Ex 2

Subtract complex numbers

Ex:  Quadratic Formula - Complex Solutions

Multiplying square roots of negative numbers

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

4. Exponential and Logarithmic Functions

5. Trigonometric Functions

6. Analytic Trigonometry

7. Additional Topics in Trigonometry

8. Systems of Equations and Inequalities

9. Matrices and Determinants

10. Conic Sections and Analytic Geometry

11. Sequences, Induction, and Probability

12. Introduction to Calculus

Identify Polynomial Functions

Recognize Characteristics of Graphs of Polynomial Functions

Determine End Behavior

Use Factoring to Find Zeros of Polynomial Functions

Identify Zeros and Their Multiplicities

Use the Intermediate Value Theorem

Understand the Relationship Between Degree and Turning Points

Graph Polynomial Functions

Polynomial Functions and Their Graphs

Solve Polynomial Inequalities

Solve Rational Inequalities

 Problems Modeled by Polynomial or Rational Inequalities

Polynomial and Rational Inequalities

Add and Subtract Complex Numbers

Multiply Complex Numbers

Solve Quadratic Equations with Complex Imaginary Solutions

Find the Domains of Rational Functions

Use Arrow Notation

Identify Vertical Asymptotes

Identify Horizontal Asymptotes

Use Transformations to Graph Rational Functions

Graph Rational Functions

Identify Slant Asymptotes

Solve Applied Problems Involving Rational Functions

Rational Functions and Their Graphs

Use Long Division to Divide Polynomials

Use Synthetic Division to Divide Polynomials

Evaluate a Polynomial Using the Remainder Theorem

Use the Factor Theorem to Solve a Polynomial Equation

Dividing Polynomials, Remainder and Factor Theorems

Use Rational Zero Theorem to Find Possible Rational Zeros

Find Zeros of a Polynomial Function

Solve Polynomial Equations

Use the Linear Factorization Theorem to Find Polynomials With Given Zeros

Use Descartes's Rule of Signs

Zeros of Polynomial Functions

Solve Direct Variation Problems

Solve Inverse Variation Problems

Solve Combined Variation Problems

Solve Problems Involving Joint Variation

Modeling Using Variation

Recognize Characteristics of Parabolas

Graph Parabolas

Determine a Quadratic Function's Minimum or Maximum

Problems Involving a Quadratic Function's Minimum or Maximum

Quadratic Functions

General Chemistry

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Physics

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General Biology

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Financial Accounting

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Anatomy & Physiology

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

Cell Biology

Analytical Chemistry

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

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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

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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

Introduction to JavaScript