What is the slope of the line passing through the following points: # (-3,-6); (3,-9)#?

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Answer 1 · 2016-04-05T16:28:12

The slope #= -1/2#

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

#(3,-9) = color(blue)(x_2,y_2#

The slope is calculated using formula:
Slope #= (y_2- y_1) / (x_2- x _1)#

#= (-9 - (-6)) / (3 - (-3))#

#= (-9 + 6) / (3 + 3#

#= (-3) / (6)#

#= -1/2#