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-   -   An equation on the PSAT practice! (https://www.askmehelpdesk.com/showthread.php?t=409192)

  • Oct 24, 2009, 10:15 AM
    survivorboi
    an equation on the PSAT practice!
    I have trouble doing this problem:

    If x= (square root of 3-y), what is y in terms of x?

    How do I do this ?
  • Oct 24, 2009, 10:19 AM
    Unknown008
    Well, do make sure you isolate y, and this is by doing the same mathematical operation on both sides of the equal sign so that the equality remains true.



    How can you remove the square root?
  • Oct 24, 2009, 10:22 AM
    Unknown008
    survivorboi? Are you still here?
  • Oct 24, 2009, 05:19 PM
    survivorboi

    You have to square both sides of the equation to cancel the squ root. After that, I'd by x^2=3-y and I can solve that =) thanks!
  • Oct 24, 2009, 11:13 PM
    Unknown008

    You're welcome! :)

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