9514 1404 393
Answer:
-0.5
Step-by-step explanation:
For an increase of 1 in x (as from 1 to 2, for example), the corresponding change in y-value is -0.5 (as from 0 to -0.5, for example).
The slope is the ratio of these changes:
-0.5 / 1 = -0.5 . . . . slope of the relation in the table
