Question 379626
What is the slope of the line that goes through the given points of (9,1), (3,9)
.
Given two points:
(x1,y1) and (x2,y2)
the slope is: 
(y2 - y1)/(x2 - x1)
.
Plug in the given values:
(9 - 1)/(3 - 9)
8/(-6)
-4/3