Quadratic - Equation Solver

One repeated real root . The graph's vertex touches the x-axis once.

Two complex (imaginary) roots . The graph never touches the x-axis. 💡 Manual Methods vs. Digital Solvers quadratic equation solver

Why do we need to solve these equations? They appear in various fields: One repeated real root

The vertex is the highest or lowest point on the parabola. Its x-coordinate is found using the formula -b / 2a . quadratic equation solver

Find the value of D = b² - 4ac .