A. Find the slope of the line that passes through each pair of points. Show your work.
1. (0,0), (3, 3)
2. (1,3), (5,5)
3.(4,4), (5,3)
4.(0, -1), (2, 3)
5.(-6, 1), (4,8)
6.(2, -3), (5,-4)