find the gradient of the line between each pair of points
1. A (5,3) and B (9,5) Gradient=
2. C (4,0) and D (6,1) Gradient=
3. M (0,1) and N (2,5) Gradient=
4. X (-2,-4) and Y (2,0) Gradient=
1. A (5,3) and B (9,5) Gradient=
2. C (4,0) and D (6,1) Gradient=
3. M (0,1) and N (2,5) Gradient=
4. X (-2,-4) and Y (2,0) Gradient=