SOLUTION: Find the slope of the line containing the given pair of points. If the line is undefined, state so. (-4, -5) and (-4, 5) I'm needing a little help with this particular problem

Algebra ->  Linear-equations -> SOLUTION: Find the slope of the line containing the given pair of points. If the line is undefined, state so. (-4, -5) and (-4, 5) I'm needing a little help with this particular problem      Log On


   



Question 445007: Find the slope of the line containing the given pair of points. If the line is undefined, state so.
(-4, -5) and (-4, 5)
I'm needing a little help with this particular problem. Also, would you mind showing how you arrived to your answer, so that I'll understand it. Thank you so much.

Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
Notice that x is the same in both points
so the equation is x=-4 which means the line is vertical with an undefined slope.
slope is change of y over the change in x
but x never changes so the change in x is 0. but zero is in the denominator which is undefined.