SOLUTION: How do you do slope?

Question 258942: How do you do slope?
Answer by mathbath(13) (Show Source): You can put this solution on YOUR website!
We know in general if a line is perfectly horizontal there is no slope to it.
If the line is perfectly vertical the slope of the line is infinity.
If the right end of the line is lower than the left end the slope is negative. This means the line is dropping
If the right end of the line is higher than the left end the slope is positive. This means the line is rising.
If (x1,y1) and (x2,y2) are any two co-ordinates on the line the slope "m" of the line is calculated by,
m=(y2-y1)/(x2-x1)
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