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Calculators
Quadratic Equation Solver
Solve quadratic equations (ax² + bx + c = 0) with the quadratic formula. Shows the discriminant Δ and real roots.
Enter the coefficients of the equation ax² + bx + c = 0
x² +
x +
= 0
Quadratic Formula
The equation ax² + bx + c = 0 (with a ≠ 0) is solved by the discriminant (Δ) and the formula:
- Δ = b² − 4ac
- Δ > 0 → dois valores reais distintos
- Δ = 0 → one real root (double root)
- Δ < 0 → sem raízes reais
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