Answer :

Answer:

slope of the line = -.5

Step-by-step explanation:

the given co-ordinates are:

x1, y1 = 1, 1

x2, y2 = 3, 0

slope of the line, m = y2 - y1 / x2 - x1

by substituting the values:

m = 0 - 1 / 3 - 1

   = -1/2 = -.5