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OpenStudy (anonymous):
Are polynomial expressions closed under addition? Explain.
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OpenStudy (auctoratrox):
what do you mean by closed?
OpenStudy (anonymous):
i don't know, this is all it says.
OpenStudy (auctoratrox):
A polynomial can be closed under addition of the polynomial can be expressed as the product of its factors, or roots. Does this make sense?
OpenStudy (anonymous):
Yes. If you add two polynomials, you get a polyomial. http://openstudy.com/study#/updates/4f7ee5d3e4b0bfe8930b6d2b
OpenStudy (auctoratrox):
They're closed under addition, subtraction, and multiplication, I think
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Directrix (directrix):
Are polynomial expressions closed under addition? Explain. --------------- Yes, if two polynomials are added, the sum is another polynomial.
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