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Math Help - slope of a line

  1. #1
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    slope of a line

    what is the slope of a vertical line ?
    is it minus infinity or plus infinity??
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  2. #2
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    Quote Originally Posted by MohamadMehdi View Post
    what is the slope of a vertical line ?
    is it minus infinity or plus infinity??
    the slope of a vertical line is undefined.
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