How do I find the slope of the line which passes through the points $(-10, -9)$ and $(-10, 8)$ ?

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Answer 1 · 2018-07-08T05:51:47

The slope is undefined

Given: (-10, -9), (-10, 8)#

slope $= m = (y_2 - y_1)/(x_2 - x_1) = (8 - -9)/(-10 - -10)= 17/0 = "undefined"$

The slope is undefined. This means the line is a vertical line.

How do I find the slope of the line which passes through the points (-10, -9)(-10, -9) and (-10, 8)(-10, 8)?