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babydoll332

  • 3 years ago

Use the Rational Zeros Theorem to write a list of all potential rational zeros f(x) = 13x^3 + 23x^2 + 2x - 26

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  1. ganeshie8
    • 3 years ago
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    factors of -26 : ?

  2. ganeshie8
    • 3 years ago
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    factors of 13 : ?

  3. babydoll332
    • 3 years ago
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    i got this ±1, ± 1/3, ±2, ±13, ±26

  4. ganeshie8
    • 3 years ago
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    first have those two

  5. ganeshie8
    • 3 years ago
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    factors of -26 : \(\pm 1, \pm 2, \pm 13, \pm26\) factors of 13 : \(\pm 1, \pm 2, \pm 13\)

  6. babydoll332
    • 3 years ago
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    thats the only factors i can do?

  7. ganeshie8
    • 3 years ago
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    one sec, i have them wrong.

  8. ganeshie8
    • 3 years ago
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    factors of -26 : \(\pm 1, \pm 2, \pm 13, \pm26\) factors of 13 : \(\pm 1 , \pm13\)

  9. ganeshie8
    • 3 years ago
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    now we need to take p/q

  10. ganeshie8
    • 3 years ago
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    p is from factors of -26 q is from factors of 13

  11. babydoll332
    • 3 years ago
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    1/2

  12. ganeshie8
    • 3 years ago
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    p/q : \(\pm1, \pm 1/13, \pm2, \pm 2/13, \pm13, \pm26, \pm2\)

  13. ganeshie8
    • 3 years ago
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    thats the list of potential rational zeroes

  14. ganeshie8
    • 3 years ago
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    what we did is this : take each factor of -26, and divide it by

  15. ganeshie8
    • 3 years ago
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    the each factor of 13

  16. babydoll332
    • 3 years ago
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    ohh ok i get it

  17. babydoll332
    • 3 years ago
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    ur a goood teacher !

  18. ganeshie8
    • 3 years ago
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    oh thanks :) good to hear u get it :D

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