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Math Help - Graphing x^4

  1. #1
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    Graphing x^4

    Hi. X^4-3x^2-4 I got the intercepts just fine 2,0 -2,0 0,-4 And the ends both face up on the graph. I'm confused on how they connect to 0,-4 because there is a little upwards bump in between. How do I know if there's a bump or not? We don't need to know how high the bump goes we just need to signify there is one.Thanks
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  2. #2
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    Re: Graphing x^4

    There is a bump because of imaginary roots. Try factoring the original polynomial into a product of quadratics and then solve each quadratic.
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