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saifoo.khan

  • 5 years ago

Help!! 4mins! f(x)=x^3+3x^2-10x-8 Rational root Theorm.

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  1. myininaya
    • 5 years ago
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    what do you want to do with the rational root thm? do you want to say what the possible rational roots are?

  2. saifoo.khan
    • 5 years ago
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    umm, Yes.

  3. myininaya
    • 5 years ago
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    give all the factors of -8

  4. myininaya
    • 5 years ago
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    \[\pm 1, \pm 2, \pm 4, \pm 8\]

  5. saifoo.khan
    • 5 years ago
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    That's it? :D is there any particular method?

  6. amistre64
    • 5 years ago
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    take the first and last numbers:\[\pm\frac{factor.last}{factor.1^{st}}\]

  7. amistre64
    • 5 years ago
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    \[\pm\frac{1,8,2,4}{1}\]

  8. amistre64
    • 5 years ago
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    simplify and weed out the doubles

  9. myininaya
    • 5 years ago
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    yep yep

  10. myininaya
    • 5 years ago
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    is my 4mins up?

  11. saifoo.khan
    • 5 years ago
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    Thanks. sent. :D

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