Equations in 1 Variable

A series of free College Algebra Video Lessons from UMKC - The University of Missouri-Kansas City.

College Algebra, Lecture 15 - Equations in One Variable
Lecture 15 - Equations in One Variable.
This lecture discusses equations, linear and non-linear equations and solving them algebraically, graphically.

• Solving Equations (Approximately) with a Graphing Device & The Intermediate Value Theorem [44 min.]
• Solving Linear Equations: The “Linear Formula” or, Graphing [23 min.
• Solving Non-Linear Equations That Lead To Linear Equations [13 min.]

College Algebra - Lecture 16 - Equations in One Variable
Lecture 16 - Equations in One Variable.
This lecture teaches how to solve Quadratic Equations.

• Solving Quadratic Equations: Factoring, or, Graphing [11 min.]
• A Complex Reminder & The Principal Square Root of a Negative Number [12 min.]
• Solving Quadratic Equations: The “Quadratic Formula” & The Discriminant or, Graphing [50 min.]

College Algebra - Lecture 17 - Equations in One Variable
Lecture 17 - Equations in One Variable. Some more examples on equations explained.

• Some Linear & Quadratic Equation Exercises Explained [24 min.]

Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

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