Quadratic Equation Calculator
Worked example result
| Discriminant (b² − 4ac) | 1.00 |
| Roots | x = 2, x = 1 |
| Vertex x-coordinate (−b ÷ 2a) | 1.5000 |
x² − 3x + 2 = 0 has discriminant 9 − 8 = 1, and roots x = 2 and x = 1 — check: 4 − 6 + 2 = 0 and 1 − 3 + 2 = 0.
x = (−b ± √(b² − 4ac)) ÷ 2a; Discriminant D = b² − 4ac · Powered by CalcHub — Quadratic Equation Calculator