Answer:
-1/3
Explanation:
1. Select two points on the graph that have integer coordinates. There are four to choose from here: (-5,4), (-2,3), (1,2), (4,1). These can be ANY two points.
2. Draw a "stair step" as shown in the picture, connecting the points that you selected.
3. Count the number of spaces that the step is TALL and the number of spaces that the step is WIDE, and write them in a fraction as
(NOT
!!).
4. Reduce the fraction to lowest terms.
5. Notice if the line goes up (positive) or down (negative) as you move from left to right, and use that sign.