Andrew M. answered 05/23/16
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
The slope of a line is Rise/Run...
Change in y divided by change in x
Slope between (x1, y1) and (x2, y2) is (y2-y1)/(x2 -x1)
slope between (1,6) and (10,-9) is (-9-6)/(10-1) = -15/9 = -5/3