Introduction to Parabola

This example demonstrates the definition and basic properties of a parabola through dynamic visualization of the relationship between its focus and directrix. Core mathematical concepts include parabola, Pythagorean theorem, complex numbers, line segments, and quadratic equations. Construction highlights the use of GeoGebra commands such as Line, Parabola, Point, OrthogonalLine, Segment, Intersect, and Angle. Suitable for high school mathematics teaching, aiding in the visual understanding of fundamental parabola concepts.