Practice A The Slope Formula Find the slope of the line that contains each pair of points. 1. (3, 1) and (9, 2) 2. (2, 3) and (2, 1) 3. (4, 6) and (0, 2) m 21 21 21 yy x x 21m 21 y y x x m 21 yy x x 21 1 1 2 Each graph or table shows a linear relationship. Find the slope. 4. 5. 6. Find the slope of each line. Then tell what the slope represents. 7. 8.