Math

Discriminant Calculator

Discriminant of a quadratic ax² + bx + c.

Discriminant

Root type

This free Discriminant Calculator covers Discriminant of a quadratic ax² + bx + c.

The discriminant decides two real, one real, or complex conjugate roots. Other math tools are linked below.

Discriminant Calculator — how it works

Discriminant of a quadratic ax² + bx + c. Typical inputs are a, b and c. How it works beside the form states the identity the Discriminant Calculator applies.

FAQ

How do I use the Discriminant Calculator?

Open the Discriminant Calculator, fill a, b and c, and read the result. The discriminant decides two real, one real, or complex conjugate roots.

What formula does the Discriminant Calculator use?

The Discriminant Calculator uses the identity in How it works. In words: The discriminant decides two real, one real, or complex conjugate roots.

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