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Mathematics 10 Online
OpenStudy (anonymous):

What are the possible rational zeros of f(x) = x4 + 2x3 – 3x2 – 4x + 20

OpenStudy (saifoo.khan):

that is not the password you gave!

OpenStudy (anonymous):

these are the answers given to choose from 1, 2, 4, 5, 10, 20 ± 1, ± 2, ± 3, ± 4, ± 5, ± 6, ± 7, ± 8, ± 9, ± 10, ± 11, ± 12, ± 13, ± 14, ± 15, ± 16, ± 17, ±18, ± 19, ± 20 ± 1, ± 2, ± 4, ± 5, ± 10, ± 20 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

OpenStudy (anonymous):

no rational zreo exist

OpenStudy (anonymous):

http://www.wolframalpha.com/input/?i=f%28x%29+%3D+x4+%2B+2x3+%E2%80%93+3x2+%E2%80%93+4x+%2B+20 rational zeros are x -intercepts

OpenStudy (anonymous):

so which one is it

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