SOLUTION: Find the slope if it exists of each of these lines (a) X=-8 (b) Y=-9 (c) X=Y.

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Question 723021: Find the slope if it exists of each of
these lines (a) X=-8 (b) Y=-9 (c) X=Y.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a) undefined
b) 0
c) 1
see my lesson
http://www.algebra.com/tutors/Linear_equations_and_slopes:Special_Cases_Part_I.lesson?content_action=show_dev