SOLUTION: Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work. (-4, -5) and (-4, 5)

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Question 423781: Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work.
(-4, -5) and (-4, 5)

Answer by vleith(2983)   (Show Source): You can put this solution on YOUR website!
The slope is defined as
Since both x coordinates are the same, the denominator of the slope is 0.
A fraction with 0 in the denominator is undefined.
These two points are on the vertical line that goes through (-4,0)
The equation of that line is

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