Golden Gate Bridge Parabola: Modeling a Real Bridge with Quadratic Functions

①This GeoGebra example constructs a parabola that models the iconic Golden Gate Bridge, demonstrating how quadratic functions appear in real-world engineering structures. ②Core mathematical concepts include the standard form of a parabola (quadratic function), vertex coordinates, axis of symmetry, and determining parameters from given points; it also touches on trigonometry, right triangles, perimeter, and linear programming as extensions. ③Construction details: from the summary, points A and B serve as key control points, image object pic1 is used as a background reference, parameters a, h, k control the parabola's opening direction and vertex coordinates, and function f represents the final quadratic equation. ④This is suitable for high school students learning quadratic functions, coordinate geometry, or mathematical modeling, as well as for teachers demonstrating real-world parabolic examples in class to connect function graphs with geometric properties.