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Why is x=4 vertical line? I know that when I plot it but....  TOPIC_SOLVED

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Why is x=4 vertical line? I know that when I plot it but....

Postby meljohnson2008 on Wed Aug 18, 2010 2:21 pm

Why is the line x=4 a vertical line. I know that when I plot it t is but why?
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Postby stapel_eliz on Wed Aug 18, 2010 7:58 pm

meljohnson2008 wrote:Why is the line x=4 a vertical line...?

What else could it be? :wink:

(For a discussion of slopes and horizontal and vertical lines, try here.)
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