Investigating the discriminant

作者：rossmr

Use the sliders on the right to change the coefficients of the curve and the straight line. Investigate what happens to the discriminant when finding the points intersection of the line and curve.

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Absolute value graph (of a linear function)
Elementary Math (Sec 1 to 4) Applets
alexandra.valdes.PROB1.ggb
LinearInequality02
pythag thing
探究三角形的面積

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3D 向量（三維）
球形
正方形
複數
最佳化問題

Investigating the discriminant

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