➗ Quadratic Discriminant Calculator
Calculate the discriminant and identify the root type.
Result
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How this calculator works
Calculate the discriminant and identify the root type.
Formula
Δ=b²-4ac
Example
For x²+5x+6, Δ=1, so there are two real roots.
Frequently asked questions
What does the Quadratic Discriminant Calculator do?
Calculate the discriminant and identify the root type.
Are the results exact?
The calculator follows the displayed formula. Rounded display values may differ slightly from full-precision results.
Can I use negative or decimal values?
Most fields accept decimals and negative values when they make sense for the formula.
How should I check an important result?
Review the formula, verify your entries, and confirm high-stakes work with a qualified teacher or professional.