What is the discriminant?

The discriminant is Δ = b² - 4ac. If Δ > 0, there are 2 real roots; if Δ = 0, 1 real root; if Δ < 0, 2 complex roots.

Quadratic Formula Calculator — Solve ax² + bx + c = 0

📐 Quadratic Formula

x = (−b ± √(b² − 4ac)) / (2a)

Quadratic equations are second-degree polynomials represented by a parabola on a coordinate plane.