二次函数图像变换

GeoGebra 命令及参数

1. Sequence(i, i, 1, 5, 1) → l2
2. Sequence(i, i, -5, -1, 1) → l1
3. Union(l1, l2) → l3
4. Point(Segment[(h + 1, y(C) + 10), (h + 1, y(C) - 10)]) → D
5. Line(A, B) → f
6. Vector(A, C) → u
7. Polygon(A, C, B) → t1, b, a_1, c
8. Segment(A, C) → h_{1}
9. Vector(C, D) → v
10. Vector((h, 0), A) → w
11. Vector((0, 0), (h, 0)) → j
12. RandomElement(l3) → n
13. Random(-5, 5) → o
14. Random(-5, 5) → p