Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Summer Math review: Solve for z

  1. Aug 15, 2012 #1
    1. The problem statement, all variables and given/known data
    solve for z:
    y^2+3yz-8z-4x=0


    2. Relevant equations



    3. The attempt at a solution
    I tried to alienate the z
    I got the answer:
    z=(y^2-4x)/(3y-8)
     
    Last edited: Aug 15, 2012
  2. jcsd
  3. Aug 15, 2012 #2
    nevermind, i got the answer
     
  4. Aug 16, 2012 #3

    HallsofIvy

    User Avatar
    Science Advisor

    Then I presume you realized you had the negative of the correct answer.
     
  5. Aug 16, 2012 #4

    Mentallic

    User Avatar
    Homework Helper

    haha first time I've seen anyone describe it that way
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook