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slayer8001

  • one year ago

Which of the solution sets is all real numbers? lxl<-1 lxl=-1 lxl>-1

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  1. slayer8001
    • one year ago
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    @peachpi

  2. anonymous
    • one year ago
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    can absolute value be negative?

  3. slayer8001
    • one year ago
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    no

  4. anonymous
    • one year ago
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    so then don't all numbers have an absolute value greater than -1?

  5. slayer8001
    • one year ago
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    yeah

  6. anonymous
    • one year ago
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    so which one of your answers is that?

  7. slayer8001
    • one year ago
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    lxl>-1

  8. anonymous
    • one year ago
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    yep

  9. slayer8001
    • one year ago
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    what about this one Solve 4(x - 3) - 2(x - 1) > 0.

  10. slayer8001
    • one year ago
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    {xlx<-5} {xlx>-5} {xlx>5} {xlx<5}

  11. slayer8001
    • one year ago
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    @peachpi

  12. anonymous
    • one year ago
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    Start by distributing. Solve it just like an equation http://www.wolframalpha.com/input/?i=4%28x+-+3%29+-+2%28x+-+1%29+%3E+0

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spraguer (Moderator)
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