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Message: <blockquote data-quote="AlanMac" data-source="post: 1456591" data-attributes="member: 581045">I think it does, because a every time the line moves up the y-axis the slope gets bigger and bigger and approaches infinite slope, so wouldn't a vertical line have infinite slope?Logic-wise, doesn't it make sense that since a a vertical line is well, parallel to the y-axis, its slope is infinite?I saw this asked by a real-life friend of mine, but it was deleted so I am re-asking it. The person who was disruptive I have blocked, so I don't anticipate any problems this time.</blockquote>