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Geometry 7 Online
OpenStudy (anonymous):

Which of the following is a rational zero of the function P(x) = 4x ^4 + 8x ^3 - 7x ^2 - 21x - 9? -3/2 -1 -3/4

OpenStudy (larseighner):

With few choices, it is probably easier to plug in than to solve it.

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