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Finding Slope - Graph
供稿人: Koval
Find the slope of each 
line given its graph
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 1/2
2
-1/2
-2
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 1/2
2
-1/2
-2
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
-1/3
-3
 1/3
3
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 1/3
3
-1/3
-3
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 3/4
4/3
-3/4
-4/3
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 2/7
7/2
-2/7
-7/2
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 2/7
7/2
-2/7
-7/2
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 1/4
4
-1/4
-4
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 9/10
10/9
-9/10
-10/9
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 9/10
10/9
-9/10
-10/9
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
5
-5
 1/5
-1/5
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
 3/5
5/3
-3/5
-5/3
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
0
Undefined
-6
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
0
Undefined
-3
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
-10/7
7/10
10/7
-7/10
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