What is the slope of the line passing through $(8,-6); (6,9)$ ?

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Answer 1 · 2016-02-18T18:06:27

The slope $= (-15)/(2)$

The points are :
$(8,-6) = color(blue)(x_1,y_1$

$(6,9) = color(blue)(x_2,y_2$

Slope is calculated using formula:
$(y_2-y_1)/(x_2-x_1)$

$= (9 - (-6))/(6-8)$

$= (9 +6)/(-2)$

$= (15)/(-2)$

The slope $= (-15)/(2)$

What is the slope of the line passing through (8,-6); (6,9) (8,-6); (6,9) ?