二次函数图像与性质探究

GeoGebra 命令及参数

1. Expand((a * x^(2)) + (b * x) + c) → f
2. Root(f) → A, B
3. Segment(P, C) → h
4. Textfield(xP) → CasillaDeEntrada1
5. Textfield(a) → CasillaDeEntrada2
6. Textfield(b) → CasillaDeEntrada3
7. Textfield(c) → CasillaDeEntrada4
8. If(e ≟ x_v, l1_b, l1_a) → l2
9. Sequence(f(l2(i)), i, 1, Length[l2]) → l3
10. Append(x, l2) → lx
11. Append(y, l3) → ly
12. TableText(Append[x, l2], Append[y, l3], "c_|v") → texto15
13. Textfield(b) → CasillaDeEntrada3_{1}
14. Textfield(c) → CasillaDeEntrada4_{1}
15. Textfield(b) → CasillaDeEntrada3_{2}
16. Textfield(c) → CasillaDeEntrada4_{2}
17. Textfield(b_{1}) → CasillaDeEntrada3_{3}
18. Textfield(c_{1}) → CasillaDeEntrada4_{3}
19. Textfield(b_{2}) → CasillaDeEntrada3_{4}
20. Textfield(c_{2}) → CasillaDeEntrada4_{4}
21. Sequence((l2(k), l3(k)), k, 1, Length[l2]) → l1
22. Extremum(f) → D