SOLUTION: find the slope, if one exists, from the given points (-11,-9) and(-20,-17) I feel like a real idiot here! I keep forgetting how to even begin this equation.

Question 435956: find the slope, if one exists, from the given points (-11,-9) and(-20,-17)
I feel like a real idiot here! I keep forgetting how to even begin this equation.
Found 2 solutions by stanbon, Gogonati:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
find the slope, if one exists, from the given points (-11,-9) and(-20,-17)
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slope = change in y /change in x = (-17--9)/(-20--11) = -8/-9 = 8/9
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Cheers,
Stan H.
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Answer by Gogonati(855) (Show Source): You can put this solution on YOUR website!
If you know the coordinates of two points using the formula: m=(Y1-Y2)/(X2-X1)
Easy you can find the slope of the line that passes through these points.
In our case we have:.
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