Question

Choose the slope and y-intercept that correspond with the graph.
Answers are:
Slope:-1/3, y-intercept -1
Slope:3, y-intercept-1
Slope:1/3,y-intercept -1
Slope:-3,y-intercept -1

Answer 1

You can immediately read off the y-intercept; it is (0, -1).

To find the slope:

         -3 - 0
m = ---------- = -1/3
              9