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anonymous

  • 5 years ago

solve 64y^2=25

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  1. anonymous
    • 5 years ago
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    im thinking -8/5, 8/5 ?

  2. anonymous
    • 5 years ago
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    yup you're right

  3. anonymous
    • 5 years ago
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    y^2= 25/64 y= ∓√25/62 y=∓5/8

  4. anonymous
    • 5 years ago
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    its 5/8 and -5/8

  5. anonymous
    • 5 years ago
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    lols oops :P

  6. anonymous
    • 5 years ago
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    i was wrong?

  7. anonymous
    • 5 years ago
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    When you divide both sides to isolate the "y", you divide by 64 not 25. So, Lam is right! Solution is y = plus or minus 5/8 not 8/5.

  8. anonymous
    • 5 years ago
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    the answer is not 8/5 and -8/5

  9. anonymous
    • 5 years ago
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    thank you!

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spraguer (Moderator)
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