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HELP!!!! Group Title

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

  • one year ago
  • one year ago

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  1. HELP!!!! Group Title
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    |dw:1377141125914:dw|

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

    • one year ago
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    |dw:1377141156913:dw|

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

    • one year ago
  5. HELP!!!! Group Title
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    yeah but there is a negative number in the square root

    • one year ago
  6. OpenSessame Group Title
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    But with a cubed root thats okay!

    • one year ago
  7. Dido525 Group Title
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    CUBE root. Not square root.

    • one year ago
  8. Dido525 Group Title
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    You can have negative signs under a cube root.

    • one year ago
  9. OpenSessame Group Title
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    Because think about this, -2*-2*-2 what does it equal?

    • one year ago
  10. HELP!!!! Group Title
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    -8

    • one year ago
  11. Dido525 Group Title
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    Right. So the CUBE root of that is -2.

    • one year ago
  12. OpenSessame Group Title
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    Right now whats -8/-2/-2/-2?

    • one year ago
  13. Dido525 Group Title
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    You CAN take cube roots of negative signs with not issue.

    • one year ago
  14. Dido525 Group Title
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    without an*

    • one year ago
  15. Dido525 Group Title
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    Sorry for jumping in btw opensessame*

    • one year ago
  16. OpenSessame Group Title
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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!

    • one year ago
  17. OpenSessame Group Title
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    Its fine dido:)

    • one year ago
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