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Mathematics 16 Online
OpenStudy (anonymous):

Which of the following polynomials does not have real roots? A.x^2 + x + 7 B.-x^4 + 5x^2 + 6 C.x^2 + 4^x - 4 D.2x^4 + 13x^3 + 21x^2

OpenStudy (saifoo.khan):

A.

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