The slope of the line by definition is given by:
m = (y2-y1) / (x2-x1)
Substituting values we have:
m = (7-1) / (1-10)
Rewriting we have:
m = (6) / (- 9)
Simplifying we have:
m = (2) / (- 3)
m = -2 / 3
Answer:
the slope of. the line that passes through the points (1,7), (10,1) is:
m = -2 / 3
option 4