| A | B |
| (2,0), (3,2) | 2 |
| (5,6), (4,6) | 0 |
| (5,6), (5,5) | no slope |
| (2,5), (3,6) | 1 |
| (4,1), (-6, -4) | 1/2 |
| (-2,4), (10,0) | -1/3 |
| (1,3), (-4,5) | -2/5 |
| (2,1), (8,9) | 4/3 |
| (7,-8), (14,-6) | 2/7 |
| (5,3), (3,4) | -1/2 |
| (1,7), (4,1) | -2 |
| (-3,2),(1,-4) | -3/2 |
| (9,-4),(3,2) | -1 |
| (-3,-1),(6,-4) | -1/3 |
| (9,6), (1,4) | 1/4 |
| (1,3),(1,5) | undefined |
| (-3,1),(2,6) | 1 |
| (0,2), (3,0) | -2/3 |
| (-3,5),(7,6) | 1/10 |
| (2,-4),(5,9) | 13/3 |
| (10,4),(7,4) | 0 |
| (7,4),(-5,8) | -1/3 |
| (2,5),(-4,5) | 0 |
| (6,8),(-1,-5) | 13/7 |
| (-3,2), (2,3) | 1/5 |
| (-5,4),(1,4) | 0 |
| (-3,-1),(-3,3) | undefined |
| (-1,2),(0,0) | -2 |
| (0,3),(2,4) | 1/2 |
| (-1,-2),(0,1) | 3 |
| (0,2),(3,3) | 1/3 |
| (-3,1),(0,2) | 1/3 |
| (-4,1),(0,-2) | -3/4 |
| (0,3),(2,3) | 0 |
| (2,3),(-2,-2) | 3/2 |
| (-3,5),(7,6) | 1/10 |
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