Quadratic Match: Identify Parabolas by Inputting Coefficients

① This interactive matching game demonstrates how to identify a given parabola by entering the coefficients a, b, c of a quadratic function y = ax² + bx + c. ② Core mathematical concepts include the graphical features of quadratic functions—opening direction, vertex, axis of symmetry, and intercepts—along with related ideas from linear functions, piecewise functions, and equations. ③ Construction highlights: GeoGebra commands Random and RandomElement generate a random target function; Textfield and InputBox1 allow user input; button1 triggers the matching check; lists list1 and list2, along with text objects text1, text2, text3 provide feedback; objects include k, h, V (vertex), a, b, g, A, and f. ④ Suitable for middle and high school students, this activity serves as classroom practice or self-study, helping learners intuitively grasp how coefficients shape parabolas and strengthening the connection between algebra and geometry.