SOLUTION: Please help me find out if x=18 is a horizontal line, vertical line, or neither. I tried but i do not understand, I believe it is horizontal.

Question 172424: Please help me find out if x=18 is a horizontal line, vertical line, or neither.
I tried but i do not understand, I believe it is horizontal.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Since x=18, this means that EVERY point on this line will be of the form (18,y) where "y" can be any number. So points like (18,-22), (18,-4), and (18,5) all fall on the line.

All of these points form a vertical line, which looks like

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