Slope from two points: positive whole-number slopes

Slope = (y₂ − y₁) ÷ (x₂ − x₁). Write a whole number or a fraction in lowest terms.

1. Find the slope of the line through (8, 1) and (16, 9).
2. Find the slope of the line through (−6, −1) and (−4, 3).
3. Find the slope of the line through (7, −1) and (11, 15).
4. Find the slope of the line through (2, −8) and (5, 4).
5. Find the slope of the line through (−7, 10) and (−1, 58).
6. Find the slope of the line through (−4, −6) and (6, 4).
7. Find the slope of the line through (6, −10) and (12, 32).
8. Find the slope of the line through (3, −3) and (7, 29).
9. Find the slope of the line through (−11, 2) and (−7, 34).
10. Find the slope of the line through (−12, 6) and (−10, 12).
11. Find the slope of the line through (0, 4) and (7, 39).
12. Find the slope of the line through (11, −2) and (23, 46).
13. Find the slope of the line through (11, −5) and (13, 1).
14. Find the slope of the line through (−15, −11) and (−4, 44).
15. Find the slope of the line through (2, 14) and (15, 105).
16. Find the slope of the line through (0, −10) and (4, 30).
17. Find the slope of the line through (−17, 11) and (−14, 14).
18. Find the slope of the line through (18, 15) and (27, 51).
19. Find the slope of the line through (14, −18) and (23, 108).
20. Find the slope of the line through (−19, −4) and (−5, 150).