algebra

posted by Carl Wheezer

Simplify -11 sqrt 112.

-44 sqrt 7********
-176 sqrt 7
-27 sqrt 7
4 sqrt 7

Is this right? and I need to show my work, idk the steps

  1. bobpursley

    correct

  2. Carl Wheezer

    thanks, do u know steps or somethin?

  3. Haley

    11\sqrt{112}=\sqrt{7}:44
    11\sqrt{112}
    1. {Break number to its primes 112=2^4*7
    2. {Apply radical rule}\sqrt[n]{ab}=\sqrt[n]{a}\sqrt[n]{b}
    =\sqrt{7}\sqrt{2^4}
    3. Refine

  4. Carl Wheezer

    thank u ;)

  5. Haley

    No Problem Carl:-)

  6. Haley

    And sorry it looks like that I had to copy and paste lol

  7. Henry

    -11*sqrt(112) = -11*sqrt(16*7) = -11*4*sqrt(7) = -44*sqrt(7).

  8. Carl Wheezer

    its ok haley, and appreciate it henry

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