Skip to content

Quadratic Formula Calculator

Solve ax² + bx + c = 0 and find the discriminant, roots, and vertex.

Discriminant
1
two real roots
x₁3
x₂2
Axis of symmetryx = 2.5
Vertex y-value-0.25

About the Quadratic Formula Calculator

Solve ax² + bx + c = 0 and find the discriminant, roots, and vertex.

It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.

Common searches

Related calculators

Scientific CalculatorTrig, logs, roots, powers, factorials, π and e — with degrees or radians.Triangle CalculatorSolve a triangle from three side lengths, including angles, perimeter, and area.

Browse more inMath.