How To Determine The Discriminant of a Quadratic Equation

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This algebra video tutorial explains how to determine the discriminant of a quadratic equation. If the discriminant is greater than zero or positive, then there are 2 real solutions. If the discriminant is equal to zero, then there is one real solution. If the discriminant is negative or less than zero, there are 2 imaginary solutions.

Quadratic Equations - Free Formula Sheet:


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How To Solve Simple Quadratic Equations:


Solving Quadratic Equations By Factoring:


How To Factor Difficult Quadratic Equations:


Solving QE By Completing The Square:


Solving Equations In Quadratic Form:


Sum and Products - Quadratic Equations:


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How To Calculate The Discriminant:


Standard Form to Vertex Form:


Graphing Quadratic Functions:


How To Find The Axis of Symmetry:


Graphing Quadratic Functions - Vertex Form:


Graphing QF in Standard Form:


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Writing Quadratic Equations:


Maximum and Minimum Word Problems:


Systems of Quadratic Equations:


Systems of Nonlinear Equations:


Quadratic Inequalities:


Quadratic Equations - Test Review:


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Final Exams and Video Playlists:


Full-Length Videos and Worksheets: