二次函數的圖形(1)
Author: 藍邦偉　老師

y=x²

二次函數的圖形(1)

y=2x²

y=0.5 x²

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$ y=x² $

$ y=2x² $

$ y=\frac{1}{2}x² $

y=-x²

y=-2x²

$ y=-\frac{1}{2} x²$

$ O $

i = (1, 0)
Q_2: (7.5 * Corner[1] + 2.5 * Corner[2]) / 10
j = (0, 1)
O = Point(i)
a = false
b = false
f = false
h = false
l = false
u = Vector((x(Corner[1]), 0), (x(Corner[3]), 0))
v = Vector((0, y(Corner[1])), (0, y(Corner[3])))
m = false
n = 0.6 (slider from -10 to 10, step 0.1)
q: y = n * x^(2)
o = false
文字9: "y=" + n + "x²"
T_1 = Corner(1)
T_4 = Corner(4)
Q_3: (x(Q_2), y(Corner[3]))
多邊形1, t_1, t_2, t_3, t_4 = Polygon(T_1, Q_2, Q_3, T_4)
r = Segment(Q_2, Q_3)
text7: "y=" + n + "x²"