Answer:
Explanation:
I think now you can figure it out. let me know if needed more clarification. It will help you to get started
slope = -
To calculate the slope m use the slope formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (20, 8) and (x₂, y₂ ) = (9, 16)
m = = = -
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