How do you use the slope formula to find the slope of the line containing the points $(7/4, -5/8)$ and $(-2/5, -8/5)$ ?

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Answer 1 · 2016-11-30T18:16:35

Please see the explanation.

Given two points, $(x_0,y_0) and (x_1,y_1)$ , the slope, m. of the line segment connecting them is:

$m = (y_1 - y_0)/(x_1 - x_0)$

Given: $(7/4, - 5/8) and (-2/5,-8/5)$

$m = (-8/5 - -5/8)/(-2/5 - 7/4)$

$m = (-8/5 + 5/8)/(-2/5 - 7/4)40/40$

$m = (-64 + 25)/(-16 - 70)$

$m = (-39)/(-86)$

$m = 39/86$

How do you use the slope formula to find the slope of the line containing the points (7/4, -5/8)(7/4, -5/8) and (-2/5, -8/5)(-2/5, -8/5)?