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anonymous

  • 5 years ago

find all numbers for which the rational expression is undefined y²-y-5 -------- y²-13y+40

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  1. anonymous
    • 5 years ago
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    5 and 8

  2. anonymous
    • 5 years ago
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    plz show your work i dont understand the answer

  3. anonymous
    • 5 years ago
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    see any rational expression is undefined whenever its denominator becomes zero

  4. anonymous
    • 5 years ago
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    so essentially this question asks for the zeroes of the denominator, if any

  5. anonymous
    • 5 years ago
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    thats what i did...i calculated the zeroes of the denominator, 5 and 8

  6. anonymous
    • 5 years ago
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    ok so y=5,8

  7. anonymous
    • 5 years ago
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    yeah..get it?

  8. anonymous
    • 5 years ago
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    i think so

  9. anonymous
    • 5 years ago
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    neither is neg right?

  10. anonymous
    • 5 years ago
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  11. myininaya
    • 5 years ago
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    hey tina did you ever finished that addition on two fractions from earlier?

  12. anonymous
    • 5 years ago
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    yes

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spraguer (Moderator)
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