Answer:
-1
Explanation:
Take any two co-ordinates of the line,Say (0,3) and (3,0)Now,Slope=(y2-y1)/(x2-x1)0-3/3-0
-3/3
the slope = -1
m = -1 because the rise is down 1 and the run is right 1. -1/1 = -1
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