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October 21, 2014

October 21, 2014

Posted by **Alley** on Sunday, March 31, 2013 at 7:06pm.

f(x)=6x^4+9x^3+30x^2+63x+28

- Use the rational zeros theorem -
**bobpursley**, Sunday, March 31, 2013 at 7:15pmArrange the polynomial in descending order

Write down all the factors of the constant term. These are all the possible values of p .

Write down all the factors of the leading coefficient. These are all the possible values of q .

Write down all the possible values of . Remember that since factors can be negative, and - must both be included. Simplify each value and cross out any duplicates.

Use synthetic division to determine the values of for which P() = 0 . These are all the rational roots of P(x) .

factors of 28: 28,1; 14,7;and the negatives of those

facors of 6: 6,1;3,2 and the negatives of those.

now list all the p/q values, eliminating the duplicates.

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