Completing the Square (Part 6)

This example demonstrates how to use completing the square method to convert a quadratic function into standard form. Completing the square is a useful technique for solving quadratic functions' maximum or minimum value problems. The example involves core math concepts such as quadratic functions, completing the square method, and standard form. The construction points include using GeoGebra commands If, FractionText, Vector, and Polygon to graph the quadratic function. This example is suitable for students from high school year 1 to year 3, particularly those learning quadratic functions and completing the square method.