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dyoung

  • 3 years ago

whats the best integer estimate for the square root of -85

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  1. godorovg
    • 3 years ago
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    can not do that. Square root can not be -85. srry

  2. dyoung
    • 3 years ago
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    whats the closest estimate to it

  3. dyoung
    • 3 years ago
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    ?

  4. godorovg
    • 3 years ago
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    there isn't one for this problem, the reason is -85 and take the square root of that it would I for the closest

  5. dyoung
    • 3 years ago
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    my teacher gave me a worksheet im trying to do it at home the instructions say find the best integer estimate for each square root then check your estimate with a calcualator and the number is -85

  6. godorovg
    • 3 years ago
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    sprt (-85) is what i come up with on my calac

  7. godorovg
    • 3 years ago
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    well than let us break this down, sqrt of 81 is 9 and sqrt of 5 is 2.2360 with a - minus

  8. dyoung
    • 3 years ago
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    k

  9. dyoung
    • 3 years ago
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    since its an estimate thats an integer isnt 9 times 9 81 so wouldnt that be the closest estimate

  10. godorovg
    • 3 years ago
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    yes that is right

  11. dyoung
    • 3 years ago
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    how would i make iit negative

  12. godorovg
    • 3 years ago
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    by using +9 times -9 = -81 becauase - times + = -

  13. dyoung
    • 3 years ago
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    so what should i wright down for the best integer thats an estimate to it -9?

  14. godorovg
    • 3 years ago
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    yes that is what I would put, only because it started with -85 so the end result has to be the same which would be -9

  15. dyoung
    • 3 years ago
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    k thxs

  16. godorovg
    • 3 years ago
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    welcome and have a great day or night

  17. dyoung
    • 3 years ago
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    night you too

  18. dyoung
    • 3 years ago
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    what if a number has decimals like 7.3?

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