If (x1, y1) and (x2, y2) are two points on the line, then the formula for the slope is (y2-y1)/(x2-x1) provided x2 ≠x1.
If x2 = x1 then the line is vertical and the slope is not defined.
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the slope formula is y=mx+b slope-intercept form of an equation of a line. where m=slope and b=the y-intercept
When formatting the equation of a given line into slope-intercept form.
the formula for slope-intercept form is y=mx+b. in the equation mx is the slope and b is the y-intercept.
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Well slope intercept form is y=mx+b and slope equation can be the same formula, except it might be interpreted in a different way. although, i may be wrong.