Answer:
slope = - 3
Explanation:
Calculate the slope m using the slope formula
m =
with (x₁, y₁ ) = (1, 2) and (x₂, y₂ ) = (2, - 1) ← 2 points on the line
m = = = - 3
-3
you go down from the dot left most and you count towards the line that the second dot falls on and count over too it
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