EngineeringToolkit

Quadratic Discriminant Formula

Determines whether a quadratic equation has two, one, or no real roots.

Formula

Δ = b² - 4 × a × c

Discipline: Mathematics. Result unit: dimensionless.

Variables and units

  • Δ — Discriminant: Value used to classify the roots
  • a — Quadratic Coefficient: Coefficient of the squared term
  • b — Linear Coefficient: Coefficient of the linear term
  • c — Constant: Constant term