Answer: the slope is -1
Explanation:
I took the points that intersect at the graph such as (2,0) and (0,2)
ALWAYS DO RISE OVER RUN
you count the 2 point you should get 2 units rising and 2 units on run 2/2=1 but be careful the line is going DOWN
in y= Mx+b it would be y= -1x+2