Answer :

brittanycandace
The formula would be : m = [y1 - y2] / [x1 - x2] 
AL2006
It's not the slope-intercept form of the line. 

It's the slope-intercept form of the line's equation.

                   Y = mX + B

'X' is the slope of the line

'B' is the y-intercept of the line

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