What is the slope of the line passing through the following points: # (-1,-1) , (-3,13)#?

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Answer 1 · 2016-02-17T18:30:39

The slope #= -7#

The points are :
#(-1,-1) = color(blue)(x_1,y_1)#

#(-3,13) = color(blue)(x_2,y_2)#

The slope is calculated using formula:

#(y_2-y_1)/(x_2-x_1)#

#= (13 - (-1))/(-3- (-1))#

#= (13 +1 )/(-3+ 1)#

#= (14 )/(-2)#

#= -7#