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Math Help - graph with some complex roots

  1. #1
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    graph with some complex roots

    Can someone explain to me the nature of a graph which has some complex roots?
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  2. #2
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    Quote Originally Posted by squidget_4
    Can someone explain to me the nature of a graph which has some complex roots?
    Not sure I understand the question, but let me give an example, the graph f(x)=x^2+1 has not real solutions, namely its solutions are \pm i. Thus, it cannot intersect the x-axis otherwise that would imply that it has real solutions
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    Thanks, that makes some sense to me, I was uncertain of what was being asked as well.
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