抛物线探究 by Amy Young
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这个范例演示了参数a和c如何改变抛物线的形状。核心数学概念包括抛物线的性质和函数图像。通过使用GeoGebra命令如OrthogonalLine、Intersect等,可以动态观察抛物线的变化。适合高中数学教学和学习。
GeoGebra 命令及参数
OrthogonalLine(A, yAxis) → dOrthogonalLine(B, yAxis) → eOrthogonalLine(C, yAxis) → gOrthogonalLine(D, yAxis) → hOrthogonalLine(G, xAxis) → iOrthogonalLine(F, xAxis) → jOrthogonalLine(E, xAxis) → kOrthogonalLine(B, xAxis) → lOrthogonalLine(C, xAxis) → mOrthogonalLine(D, xAxis) → nIntersect(g, i) → HIntersect(e, j) → IIntersect(d, k) → JIntersect(d, l) → KIntersect(e, m) → LIntersect(g, n) → MSegment(A, K) → pSegment(K, B) → qSegment(B, L) → rSegment(L, C) → sSegment(C, M) → tSegment(M, D) → a_1Segment(A, J) → b_1Segment(J, E) → c_1Segment(E, I) → d_1Segment(I, F) → e_1Segment(F, H) → f_1Segment(H, G) → g_1Distance(a_1, s) → oDistance(q, c_1) → uDistance(e_1, g_1) → vPoint(j_1) → PIntersect(f, xAxis) → Q, R