What is the slope of the line passing through #(1,-1); (-2,0)#?

1 Answer
Alan P.
Dec 10, 2015

Slope: #(-1/3)#

Explanation:

For two general points #(x_1,y_1)# and #(x_2-y_2)#, the slope #m# is
#color(white)("XXX")m = (Delta y)/(Delta x) = (y_2-y_1)/(x_2-x_1)#

Given the specific points #(1,-1)# and #(-2,0)#, this becomes
#color(white)("XXX")m=(0-(-1))/(-2-1)=1/(-3) = -1/3#

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