Solving Quadratics by Completing the Square

A series of free Intermediate Algebra Lessons.
How to Solve Quadratics by Completing the Square?
How to Find the Vertex by Completing the Square?

Solving Quadratics by Completing the Square

Completing the Square: Another Example

Finding the Vertex by Completing the Square

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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