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HELP!!!!

  • 2 years ago

QUICK QUESTION: I know the answer but I don't know the steps

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  1. HELP!!!!
    • 2 years ago
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    |dw:1377141125914:dw|

  2. OpenSessame
    • 2 years ago
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    Ahh okay, let me ask you this. What would you do if that was a square root sign?

  3. HELP!!!!
    • 2 years ago
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    |dw:1377141156913:dw|

  4. HELP!!!!
    • 2 years ago
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    the answer is -2x but I don't know why?

  5. HELP!!!!
    • 2 years ago
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    yeah but there is a negative number in the square root

  6. OpenSessame
    • 2 years ago
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    But with a cubed root thats okay!

  7. Dido525
    • 2 years ago
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    CUBE root. Not square root.

  8. Dido525
    • 2 years ago
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    You can have negative signs under a cube root.

  9. OpenSessame
    • 2 years ago
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    Because think about this, -2*-2*-2 what does it equal?

  10. HELP!!!!
    • 2 years ago
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    -8

  11. Dido525
    • 2 years ago
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    Right. So the CUBE root of that is -2.

  12. OpenSessame
    • 2 years ago
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    Right now whats -8/-2/-2/-2?

  13. Dido525
    • 2 years ago
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    You CAN take cube roots of negative signs with not issue.

  14. Dido525
    • 2 years ago
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    without an*

  15. Dido525
    • 2 years ago
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    Sorry for jumping in btw opensessame*

  16. OpenSessame
    • 2 years ago
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    Dido is right, because a negative times a negative is a positive and a positive times a negative is a negative!

  17. OpenSessame
    • 2 years ago
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    Its fine dido:)

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