垂线及其性质图像计算器
0,0
A
B
C
斜率 m1 = -3.00
斜率 m2 = 0.33
5
10
-5
-10
5
-5
x
y
点击 A or B并拖动移动图像。
You can move the graph up-down, left-right if you hold down the "Shift" key and then drag the graph.
Find the slope of the line joining the points (-4, -1) and (2, -5).
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