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yoyogators

  • 3 years ago

negative the square root of nine equals negative nine negative three 3 9

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  1. Yahoo!
    • 3 years ago
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    \[\sqrt{-9}\]

  2. Yahoo!
    • 3 years ago
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    \[i = \sqrt{-1}\]

  3. yoyogators
    • 3 years ago
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    so its 9?

  4. Yahoo!
    • 3 years ago
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    \[= 3i\]

  5. Yahoo!
    • 3 years ago
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    \[\sqrt{-9} = \sqrt{-1} * \sqrt{9}\] \[\sqrt{9} = 3\]

  6. yoyogators
    • 3 years ago
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    so its 3?

  7. TomLikesPhysics
    • 3 years ago
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    \[-\sqrt{9}=(-1)*\sqrt{9}=(-1)*3=-3 and \it is also equal \to (-1)*(-3)=3\]

  8. TomLikesPhysics
    • 3 years ago
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    most of the time people just want the postive number if you take the squareroot - so if only one answer is correct I would take -3

  9. jazy
    • 3 years ago
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    \[-\sqrt{9}\ or\ \sqrt{-9}?\]

  10. jazy
    • 3 years ago
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    @yoyogators which is it?

  11. yoyogators
    • 3 years ago
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    Okay so the answer is 3

  12. cornitodisc
    • 3 years ago
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    \[-\sqrt{9}\]

  13. jazy
    • 3 years ago
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    Depending which of the two square roots you are referring to... if its\[\sqrt{-9}\]then yes.

  14. jazy
    • 3 years ago
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    If it's \[-\sqrt{9} \] then it's like saying \[-1 \times \sqrt{9}\]

  15. jazy
    • 3 years ago
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    \[\sqrt{9} = 3 \]3 * -1 = negative 3

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