Answer:
1/4
Explanation:
use formula y2-y1 over x2-x1
-2 - (-1) = -1
-12-(-8)= -4
divide =1/4
Slope of a line = y2 - y1 / x2 - x1
-2-(-1)/-12-(-8)
-2+1/-12+8
-1/-4
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