Quadratic Formula Calculator
Solve any quadratic equation of the form ax² + bx + c = 0 using the quadratic formula. Get roots (real or complex), discriminant, vertex, axis of symmetry, step-by-step solution, and an interactive graph.
i
Modify the values and click the Calculate button to use
Coefficients
Fractional values such as 3/4 can be used
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Results
Enter coefficients and click Calculate to see results.
Roots
| Discriminant (Δ) | |
| Nature of Roots | |
| Vertex (h, k) | |
| Axis of Symmetry |
Parabola Graph
Vertex
Roots
Note: The quadratic formula x = (-b ± √(b²-4ac)) / 2a is used to find the roots. Complex roots occur when the discriminant is negative.
