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OpenStudy (anonymous):
if my equation was : f(x) = 2x^3 – 15x^2 + 9x + 22 my rational zeros would be 1,2,11,22 without a fraction?
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OpenStudy (anonymous):
2 - 15 + 9 + 22 = f(1) 1 is not a zero
OpenStudy (anonymous):
Substitute 1,2,11,22 in 2x^3 – 15x^2 + 9x + 22 if you get 0 , yes , those are the zeroes... that way you can check the answers.
OpenStudy (anonymous):
dont know about the others
OpenStudy (mertsj):
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