Quadratic Equation Calculator

Solve quadratic equations of the form ax² + bx + c = 0 using the quadratic formula.

Free to use
12,500+ users
Updated January 2025
Instant results

Quadratic Equation Calculator

ax² + bx + c = 0

ax² + bx + c = 0

Quadratic Equations

A quadratic equation is a second-degree polynomial equation of the form ax² + bx + c = 0. The solutions, or 'roots', are found using the quadratic formula: x = [-b ± √(b²-4ac)] / 2a. The graph of a quadratic equation is a parabola.