How does the Discriminant Calculator work?

Enter coefficients a, b, c from ax² + bx + c = 0 Then: Calculate b² - 4ac Then: Interpret the sign and value.

Can you give an example of how to use the Discriminant Calculator?

Example: Input x² - 5x + 6 = 0 gives a result of Δ = 1 (two distinct real roots) (25 - 24 = 1).

Is the Discriminant Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Discriminant Calculator?

Our Discriminant Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Mathematik

Discriminant Calculator

The discriminant (Δ = b² - 4ac) of a quadratic equation determines the nature and number of roots. It tells whether solutions are real, complex, or repeated.

Difficulty:intermediate

References

›Discriminant Calculator — Wikipedia

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Discriminant Calculator

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