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anonymous

  • one year ago

x^2>36

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  1. anonymous
    • one year ago
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    check all that apply A.0 B. 6 C. 7 D. -15 F. -6 D. -3

  2. UsukiDoll
    • one year ago
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    \[x^2 > 36\] well I'm not giving direct answers because that's against code of conduct... but all you have to do is to square root both sides \[\sqrt{x^2}>\sqrt{36}\] then take the square root of x^2 and 36

  3. anonymous
    • one year ago
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    okay

  4. anonymous
    • one year ago
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    okay

  5. UsukiDoll
    • one year ago
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    we need an x... we can't leave it like that... what's the square root of x^2?

  6. UsukiDoll
    • one year ago
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    |dw:1437632210874:dw| I just re-wrote it to exponential form to make it a bit easier to see what is 2 divided by 2 ?

  7. anonymous
    • one year ago
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    The definition of \[x^2= \pm \sqrt{x}\]

  8. anonymous
    • one year ago
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    so if \[X^2 ={25}\] then \[x=\pm \sqrt{25} = x=\pm5\]

  9. anonymous
    • one year ago
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    How wan you solve this now? x^2>36

  10. anonymous
    • one year ago
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    so far your work is corret

  11. anonymous
    • one year ago
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    keep it going and you will get your answer

  12. UsukiDoll
    • one year ago
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    :)

  13. anonymous
    • one year ago
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    lol

  14. anonymous
    • one year ago
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    did she or he find the answer

  15. UsukiDoll
    • one year ago
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    no not yet. the user is offline at the moment.

  16. anonymous
    • one year ago
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    oh

  17. anonymous
    • one year ago
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    i'll wait

  18. anonymous
    • one year ago
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    isn't the answer c &d ..... since the absolute value has to be bigger than 6

  19. UsukiDoll
    • one year ago
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    no. this is an inequality absolute value doesn't come into play here.

  20. BGrg007
    • one year ago
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    just take every answer choice and and square it and see if it is greater than 36.

  21. UsukiDoll
    • one year ago
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    this is solving an inequality. solving an inequality and solving an equation is the same thing. What throws people off for solving inequalities is the \[<, >, \geq ,\leq\] symbols We were given \[x^2 > 36\] It's the same as solving an equation like this \[x^2=36\]

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