(-1, 4) & (3, 1)
-3/4
(0, 8) & (-2, -3)
11/2
(5, 6) & (9, 10)
1/1
(4, -5) & ( 7, -5)
0
(6, 1) & ( 4, 3)
-1
(7, 3) & (7, 2)
Undefined
(4, 1) & ( 12, 8)
7/8
(5, -7) & (0, -7)
0
(-1, 0) & ( 0, -5)
-5/1
(3, -2) & ( -8, -2)
0
(-2, -6) & ( -2, 6)
Undefined
(-8, -8) & ( -2, -6)
1/3
(65, 87) & ( 82, 16)
-71/ 17
(-10, 10) & ( -10 , 0)
Undefined
(1, 2) & ( 2, 8)
6/1
(0, 4) & ( 4, 4)
0
(-6, 10) & ( 1, 2)
-8/7
(-1, 2) & ( -1, 6)
Undefined
(3, 4) & ( 7, -12)
-4/1