What is the Discriminant?

What is the Discriminant?

Note:

In a quadratic equation, the discriminant helps tell you the number of real solutions to a quadratic equation. The expression used to find the discriminant is the expression located under the radical in the quadratic formula! In this tutorial, get introduced to the discriminant of a quadratic equation!

Keywords:

  • definition
  • discriminant
  • quadratic equation

Background Tutorials

  • Simplify numerical radical expressions involving square roots

      • What is the Quadratic Formula?What is the Quadratic Formula?

      What is the Quadratic Formula?

      If you're solving quadratic equations, knowing the quadratic formula is a MUST! This formula is normally used when no other methods for solving quadratics can be reasonably used. In this tutorial, learn about the quadratic formula and see it used to solve a quadratic equation. Take a look!