Foundations and Linear Equations
What are the Different Types of Numbers?
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All Videos in Foundations and Linear Equations
- 1. What are the Different Types of Numbers?
- 2. What Are the Different Parts of a Graph?
- 3. What is a Linear Equation?
- 4. Linear Equations: Intercepts, Standard Form and Graphing
- 5. Abstract Algebraic Examples and Going from a Graph to a Rule
- 6. Graphing Undefined Slope, Zero Slope and More
- 7. How to Write a Linear Equation
- 8. What is a System of Equations?
- 9. How Do I Use a System of Equations?
Matrices and Absolute Value
What is a Matrix?
All Videos in Matrices and Absolute Value
- 1. What is a Matrix?
- 2. How to Take a Determinant of a Matrix
- 3. What is an Absolute Value?
- 4. How to Evaluate Absolute Value Expressions
- 5. How to Solve an Absolute Value Equation
- 6. Solving Absolute Value Practice Problems
- 7. How to Graph an Absolute Value and Do Transformations
- 8. Graphing Absolute Value Equations: Dilations and Reflections
Inequalities
What is an Inequality?
All Videos in Inequalities
- 1. What is an Inequality?
- 2. How to Graph 1- and 2-Variable Inequalities
- 3. Set Notation, Compound Inequalities, and Systems of Inequalities
- 4. Graphing Inequalities: Practice Problems
- 5. How to Solve and Graph an Absolute Value Inequality
- 6. Solving and Graphing Absolute Value Inequalities: Practice Problems
Factoring with FOIL, Graphing Parabolas and Solving Quadratics
What is a Parabola?
All Videos in Factoring with FOIL, Graphing Parabolas and Solving Quadratics
- 1. What is a Parabola?
- 2. Parabolas in Standard, Intercept, and Vertex Form
- 3. Multiplying Binomials Using FOIL and the Area Method
- 4. Multiplying Binomials Using FOIL & the Area Method: Practice Problems
- 5. How to Factor Quadratic Equations: FOIL in Reverse
- 6. Factoring Quadratic Equations: Polynomial Problems with a Non-1 Leading Coefficient
- 7. How to Complete the Square
- 8. Completing the Square Practice Problems
- 9. How to Solve a Quadratic Equation by Factoring
- 10. How to Use the Quadratic Formula to Solve a Quadratic Equation
- 11. How to Solve Quadratics That Are Not in Standard Form
What is an Imaginary Number?
Exponents and Polynomials
What Are the Five Main Exponent Properties?
All Videos in Exponents and Polynomials
- 1. What Are the Five Main Exponent Properties?
- 2. How to Define a Zero and Negative Exponent
- 3. How to Simplify Expressions with Exponents
- 4. Rational Exponents
- 5. Simplifying Expressions with Rational Exponents
- 6. How to Graph Cubics, Quartics, Quintics and Beyond
- 7. How to Add, Subtract and Multiply Polynomials
- 8. How to Divide Polynomials with Long Division
- 9. How to Use Synthetic Division to Divide Polynomials
- 10. Dividing Polynomials with Long and Synthetic Division: Practice Problems
Functions
Functions: Identification, Notation & Practice Problems
All Videos in Functions
- 1. Functions: Identification, Notation & Practice Problems
- 2. Transformations: How to Shift Graphs on a Plane
- 3. What Is Domain and Range in a Function?
- 4. How to Add, Subtract, Multiply and Divide Functions
- 5. How to Compose Functions
- 6. Inverse Functions
- 7. Applying Function Operations Practice Problems
Rational Expressions
Multiplying and Dividing Rational Expressions: Practice Problems
All Videos in Rational Expressions
Exponentials and Logarithms
What Is an Exponential Function?
All Videos in Exponentials and Logarithms
Probability Mechanics
What is Factorial?
All Videos in Probability Mechanics
Sequences and Series
What is a Mathematical Sequence?
All Videos in Sequences and Series
- 1. What is a Mathematical Sequence?
- 2. How to Find and Classify an Arithmetic Sequence
- 3. Finding and Classifying Geometric Sequences
- 4. Summation Notation and Mathematical Series
- 5. How to Calculate an Arithmetic Series
- 6. How to Calculate a Geometric Series
- 7. Arithmetic and Geometric Series: Practice Problems
About This Course
Math 101 is designed to help you learn algebra as efficiently as possible while also having fun. Instructor Luke Winspur is an accomplished teacher who specializes in making math relatable and easy to digest. He'll tell you why solving absolute value problems is just like peeling an onion and how exponentials can help you calculuate the value of your computer ten years from now.
Lessons are bite-size and less than ten minutes long, which means you can master each math concept before moving on to the next. Complete practice problems by taking the free, multiple choice quizzes. If you're already enrolled in an algebra class, use these video lessons to study for tests and reinforce concepts. Students and instructors love this course!
- 'I love the way the instructor teaches...He gives you a clear understanding of the subject.'
- 'This is probably the best algebra course.'
Start Math 101 and watch our most popular algebra lesson now!
How to Earn Real College Credit You Can Transfer
Math 101: College Algebra prepares you to earn real college credit by taking the College Board's Algebra CLEP exam. Watch our free video lessons to learn all about linear equations, functions, graphing, matrices and more. For more details about earning credit, click here.
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Education Portal Instructors
Education Portal's 53 instructors bring a diverse array of experience and expertise to each course. From teaching philosophy in Athens, Greece, to exploring the mystery of genetics, each instructor is uniquely qualified to bring students the best online learning experience possible. Meet them now!
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Jessica Bayliss, M.S.
Jessica is our Director of Education and leads the development of Education Portal's free courses. She has 10 years of experience in education and online teaching. Her work with students of all age levels drives
her belief in the power of free online resources to make higher education more affordable and efficient. Jessica's favorite part of the day is
reading feedback from Education Portal's students. She has a bachelor's degree from the University of Illinois and a master's degree in
instructional technology from Texas A&M - Kingsville.
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Greg Chin, Ph.D.
Greg has taught genetics, molecular biology, and general biology to
high school, collegiate, and post-graduate students at Stanford University, the University of California, Los Angeles, Santa Clara
University and the Dolan DNA Learning Center at Cold Spring Harbor Laboratory. He has also taught science workshops for the general
public and led biology teacher enrichment workshops throughout the U.S. He received a B.S. in Genetics from the University of
California, Davis, and a Ph.D. from Stanford University. Find out how your genes work in Greg's introduction to genetics video lesson!
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Max Pfingsten, M.Ed.
Max has taught classics, history and philosophy
at a variety of levels at the Dikemes Academy in Athens, the Boulder Valley School District, University of Colorado at Boulder and
the Illinois Mathematics and Science Academy (IMSA). His work is noteworthy for its synthesis of technology and simulation with more
traditional teaching approaches. He received a B.A. in Classics from Depauw University, a M.A. in Classics from University of
Colorado at Boulder, and a M.Ed. from Jones International University. See Socrates come to life in Max's lesson on the life, death,
and philosophy of the great Socrates.
- Meet all 53 of our instructors
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