Quadratic Formula Calculator

Solve quadratic equations instantly with steps. Find roots, vertex, discriminant, graph. Free quadratic formula solver for algebra students.

a =

b =

c =

Fractional values such as 3/4 can be used

Solution

Discriminant (Δ)

Nature of Roots

Vertex

Axis of Symmetry

Y-intercept

Direction

x = (-b ± √(b² - 4ac)) / 2a

Where: