What is the slope of the line passing through the following points: # (2,-6); (1,3) #?

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Answer 1 · 2016-03-05T16:57:08

The slope #=-9#

The coordinates are:
#(2,-6) = color(blue)(x_1,y_1#
#(1,3) = color(blue)(x_2,y_2#

The slope is calculated using formula:

slope #=(y_2-y_1) / (x_2-x_1)#
(change in y axis divided by change in x axis)

#=(3-(-6))/(1-2#

#=(3 +6)/(-1#

#=(9)/(-1)#

The slope #=-9#