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Math Help - Simple Question about Parabolas

  1. #1
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    Simple Question about Parabolas

    Our teacher decided it would be funny to give us a worksheet on things we learned from years ago. I pretty much finished it but got stuck on a question asking if parabolas can intersect more than 2 times and how, I started to condradict myself so any help would be appreciated.
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  2. #2
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    What do you think?
    Attached Thumbnails Attached Thumbnails Simple Question about Parabolas-seq6.gif  
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  3. #3
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    I ment two U-shaped parabolas
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    Nevermind, I think I figured it out.
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  5. #5
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    Quote Originally Posted by draski View Post
    I ment two U-shaped parabolas
    You did not say that. The question does not say that.
    Why are you assuming it means that?
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  6. #6
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    The question didn't say they had to be unique parabolas, so you could just have two of the same parabola on top of one another as your example of 'yes'.
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  7. #7
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    Quote Originally Posted by wytiaz View Post
    The question didn't say they had to be unique parabolas, so you could just have two of the same parabola on top of one another as your example of 'yes'.
    Sorry, but that is total nonsense. What do you think the word “two” means?
    If one says, “Suppose that A & B are two parabolas …” then A cannot be B.
    Otherwise, there would not be two would there?

    One the other hand, if it is the case that A could be B then say, “If each of A & B is a parabla…”
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