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iheartfood

  • 2 years ago

TRUE or FALSE

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  1. iheartfood
    • 2 years ago
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    The number 4 is an upper bound for the set of roots of this polynomial function. TRUE or FALSE???

  2. iheartfood
    • 2 years ago
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    attacehd is the polynomial function :)

  3. jim_thompson5910
    • 2 years ago
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    write out a synthetic division table like so 4 | 3 -5 -5 5 2 | -------------------------------------------------- First step is to drop the first coefficient 3 4 | 3 -5 -5 5 2 | -------------------------------------------------- 3 Then multiply that by 4 to get 12. Write this under the first -5 4 | 3 -5 -5 5 2 | 12 -------------------------------------------------- 3 Add the -5 and 12 to get 7 and write it under the 12 4 | 3 -5 -5 5 2 | 12 -------------------------------------------------- 3 7 Repeat the last two steps to get 4 | 3 -5 -5 5 2 | 12 28 -------------------------------------------------- 3 7 23 Keep going until the table is finished

  4. iheartfood
    • 2 years ago
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    4 | 3 -5 -5 5 2 | 12 28 92 388 -------------------------------------------------- 3 7 23 97 390

  5. iheartfood
    • 2 years ago
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    is that right??

  6. jim_thompson5910
    • 2 years ago
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    you got it

  7. jim_thompson5910
    • 2 years ago
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    since 4 is positive and the entire bottom row is positive, this means that 4 is definitely an upper bound of the zeros of f(x).

  8. iheartfood
    • 2 years ago
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    so my answer is TRUE???

  9. jim_thompson5910
    • 2 years ago
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    yes

  10. iheartfood
    • 2 years ago
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    cool! thanks! :)

  11. iheartfood
    • 2 years ago
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    cool! thanks! :)

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