Solving Quadratic Equations by Mr W

This example demonstrates how to use GeoGebra to graph and solve quadratic equations. The core mathematical concepts involved include the graph of a quadratic function, vertex, axis of symmetry, and intersections with the x-axis. The construction highlights the use of the Intersect command with objects such as coefficients a, b, c, function f, points A, B, and line d. Suitable for high school mathematics education to understand the geometric meaning and methods of solving quadratic equations.