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Answer:
Step-by-step explanation:
The slope is the change in y divided by the change in x
If (x₁, y₁) and (x₂, y₂) are points on the line
slope m = (y₂ - y₁) / (x₂ - x₁)
or
m = (y₁ - y₂) / (x₁ - x₂)