Answer:
Step-by-step explanation:
3. (1, 2) (2, 4)
(4 - 2)/(2 - 1)= 2/1 = 2
4. (5, 2) (10, 4)
(4 - 2)/(10 - 5) = 2/5
5. (4, 1) (8, 2)
(2 - 1)/(8 - 4) = 1/4
6. (0, 0) (1, 20)
(20 - 1)/(1 - 0)
20/1= 20
