How do you find the slope of the line containing the indicated points: ( -2, 8) and ( -2, -1)?

1 Answer
Roella W.
May 6, 2016

The line is vertical.

Explanation:

The general expression for the slope of the line containing two points #(x_1,y_1)# and #(x_2,y_2)# is #(y_2-y_1)/(x_2-x_1)#

However in the case the #x# coordinate of both points is the same, so the denominator in this expression would be zero and the slope is infinite/undefined.

The line is vertical.

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