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anonymous

  • 5 years ago

Which value(s) of x should be excluded for the polynomial? Here are the options for the answer. A. 3 B. 3 and -3 C. 4 D. 4 and -4 I will attach the polynomial in a comment.

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  1. anonymous
    • 5 years ago
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    Here is the Polynomial

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  2. amistre64
    • 5 years ago
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    thats not a polynomial :)

  3. anonymous
    • 5 years ago
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    :P Thats strangeee thats the exact question >.< lol

  4. amistre64
    • 5 years ago
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    the answer is A

  5. anonymous
    • 5 years ago
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    Would u mind explaining how u got that? :)

  6. amistre64
    • 5 years ago
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    a rational expression is not defined as a polynomial; something to do with the definitions lol

  7. amistre64
    • 5 years ago
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    the bottom poly can be factored into what?

  8. anonymous
    • 5 years ago
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    -3 and 3 rite?

  9. anonymous
    • 5 years ago
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    oh wait -3 and -3

  10. amistre64
    • 5 years ago
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    not what are the roots; but what is its factored form? (x )(x )

  11. anonymous
    • 5 years ago
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    ohhhhh (x - 3) (x - 3)

  12. amistre64
    • 5 years ago
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    now we can see what makes this turn to 0 and be bad for a denominator.... x = 3 right?

  13. anonymous
    • 5 years ago
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    Ahh! ya i see overall what u did :)

  14. anonymous
    • 5 years ago
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    Gotcha! ok then thanks :)

  15. amistre64
    • 5 years ago
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    youre welcome :)

  16. anonymous
    • 5 years ago
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    So then if you simplify the attached file , what would it be?

  17. amistre64
    • 5 years ago
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    it wouldnt simplify it would just change from fatored to unfactored forms

  18. amistre64
    • 5 years ago
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    (x+4)(x-4) --------- (x-3)(x-3)

  19. anonymous
    • 5 years ago
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    Right but then what would that simplify to? >.< sorry im confused there is no option for that answer :)

  20. amistre64
    • 5 years ago
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    in order to simplify and equation; you have to be able to reduce it down by cross out like factors top and bottom; there are none in this case

  21. amistre64
    • 5 years ago
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    2x 1 --- simplifies --- 4xy 2y

  22. anonymous
    • 5 years ago
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    Thats strange here are the options for simplifying it gives me i will attach them in files :)

  23. amistre64
    • 5 years ago
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    this one....doesnt simplify; its as basic as you can get it

  24. anonymous
    • 5 years ago
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    Here :)

  25. amistre64
    • 5 years ago
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    1 and 4 are negative of each other so they simply go to -1

  26. anonymous
    • 5 years ago
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    Yes and so i assumed it would be the file labeled three would that be rite? :)

  27. amistre64
    • 5 years ago
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    3 doesnt simplyfy so much as just factors out 1 ------ 3(2x-3)

  28. amistre64
    • 5 years ago
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    number 2 simplifies; maybe lol

  29. amistre64
    • 5 years ago
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    -9 3 ------ = ----- -6x+9 (2x-3)

  30. anonymous
    • 5 years ago
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    Ohhh!!! ok! ok! :D thankies!! :) lol

  31. amistre64
    • 5 years ago
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    youre welcome :)

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