What is the slope of the line that passes through these points?

Answer: The slope is 6/1 or 6.
Step-by-step explanation:
(15, -10)
(17 , 2 ) Find the difference in y and divide it by the difference in x
15 - 17 = -2
-10 -2 = -12
-12/2= 6
(19,14)
(21,26)
19- 21= -2
14- 26 = -12
-12/-2 = 6