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rebecca1233 Group Title

Solve by using the quadratic formula. 3x^2 - 4x = 2

  • 2 years ago
  • 2 years ago

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  1. rebecca1233 Group Title
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    @jasonxx

    • 2 years ago
  2. brandonloves Group Title
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    I could be totally off, but I just wanted to give it a shot. I got 8/3, 3 again, I could be way wrong, but I just wanted to try it/see if I remembered. good luck you know the formula right?

    • 2 years ago
  3. rebecca1233 Group Title
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    |dw:1352320744523:dw|

    • 2 years ago
  4. rebecca1233 Group Title
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    |dw:1352320782461:dw|

    • 2 years ago
  5. rebecca1233 Group Title
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    |dw:1352320879213:dw|

    • 2 years ago
  6. rebecca1233 Group Title
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    or none of the above

    • 2 years ago
  7. brandonloves Group Title
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    |dw:1352320868071:dw| I think I'm right up till this point, but I think I get messed up after that.

    • 2 years ago
  8. rebecca1233 Group Title
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    the answer is the last one i believe?

    • 2 years ago
  9. brandonloves Group Title
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    oh, I see how you got the 40. isn't it -4(a)(c) though? I got -24 + 16 to get -8 under the radical

    • 2 years ago
  10. rebecca1233 Group Title
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    |dw:1352321326332:dw|

    • 2 years ago
  11. rebecca1233 Group Title
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    idk im confused

    • 2 years ago
  12. brandonloves Group Title
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    http://www.purplemath.com/modules/quadform.htm

    • 2 years ago
  13. rebecca1233 Group Title
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    @.UserNotFound. am i correct because

    • 2 years ago
  14. rebecca1233 Group Title
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    i need help

    • 2 years ago
  15. .UserNotFound. Group Title
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    http://answers.yahoo.com/question/index?qid=20091117132621AAECMYZ ??

    • 2 years ago
  16. brandonloves Group Title
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    yea, and I'm not much help haha. I tried though. I'd check out khanacademy.org or watch some youtube videos till someone with more quadform exp can help hah

    • 2 years ago
  17. rebecca1233 Group Title
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    i just wanna know if i am correct

    • 2 years ago
  18. jasonxx Group Title
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    let me check

    • 2 years ago
  19. jasonxx Group Title
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    \[x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }=\frac{ 4 \pm \sqrt{16-4*3*(-2)} }{ 2*3 }= \frac{ 4 \pm \sqrt{40} }{ 6 }\] @rebecca1233

    • 2 years ago
  20. jasonxx Group Title
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    @rebecca1233 come on now show me , yor answer is here

    • 2 years ago
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