Standard Form of the Quadratic Function

This example demonstrates the standard form y=ax²+bx+c of quadratic functions, showing its graph, vertex, and intersection points. Key math concepts include quadratic functions, standard form, vertex, intersection points, and the geometric meaning of coefficients a, b, c. It is constructed using GeoGebra commands Vertex and Intersect, along with objects like a, b, c, g, f, A, B, C, D, Equation, and button1 for interactive exploration. Suitable for high school mathematics education to understand the characteristics of quadratic function graphs and the impact of parameters.