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ramirokool Group Title

Solve |5x – 8| > 12. Answer {x| -0.8 < x < 4} {x| -4 < x < 4} {x| x > 4 or x < -0.8} {x| x < -4 or x > 0.8}

  • one year ago
  • one year ago

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  1. TuringTest Group Title
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    what foes absolute value mean @ramirokool ?

    • one year ago
  2. TuringTest Group Title
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    *does

    • one year ago
  3. TuringTest Group Title
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    if we had |x|=2 what could x possibly be?

    • one year ago
  4. ramirokool Group Title
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    The magnitude of a real number without regard to its sign.

    • one year ago
  5. TuringTest Group Title
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    right, so |x|=2 means x could be what two numbers?

    • one year ago
  6. ramirokool Group Title
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    a 4 and a 0.8 ? their should be a negative.

    • one year ago
  7. ramirokool Group Title
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    I got C on my sheet.

    • one year ago
  8. ramirokool Group Title
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    You divide.

    • one year ago
  9. TuringTest Group Title
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    |x|=2 means that we ignore the sign of x - that is all

    • one year ago
  10. TuringTest Group Title
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    |4|=4 that's not 2, so no

    • one year ago
  11. TuringTest Group Title
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    |0.8|=0.8 also not 2, so not correct

    • one year ago
  12. ramirokool Group Title
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    Go step by step.

    • one year ago
  13. TuringTest Group Title
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    I am, are you lost in what i just said?

    • one year ago
  14. ramirokool Group Title
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    Nope.

    • one year ago
  15. hba Group Title
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    @TuringTest Dude he just needs the answer :D

    • one year ago
  16. TuringTest Group Title
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    @hba do not assume that, he's working with me right now

    • one year ago
  17. TuringTest Group Title
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    ok, so considering things like that |-6|=6, and |0.88|=0.88 what could |x|=2 possibly be?

    • one year ago
  18. ramirokool Group Title
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    2

    • one year ago
  19. TuringTest Group Title
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    or...?

    • one year ago
  20. ramirokool Group Title
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    no or.

    • one year ago
  21. TuringTest Group Title
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    yes or, what is |-2| ?

    • one year ago
  22. ramirokool Group Title
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    but if it in the box would it be postive?

    • one year ago
  23. TuringTest Group Title
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    yes, so |-2|=?

    • one year ago
  24. ramirokool Group Title
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    2 ?

    • one year ago
  25. TuringTest Group Title
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    right, so |x|=2 means x could be what TWO numbers?

    • one year ago
  26. hba Group Title
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    Any thing which comes between | | < this becomes positive :)

    • one year ago
  27. ramirokool Group Title
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    -2 and 2

    • one year ago
  28. TuringTest Group Title
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    correct :)

    • one year ago
  29. TuringTest Group Title
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    so for |x|=y that means either x=y or -x=y

    • one year ago
  30. ramirokool Group Title
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    -x =y

    • one year ago
  31. TuringTest Group Title
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    so you problem is |5x – 8| > 12 based on what we just discussed, |5x - 8|>12 means that 12> what two expressions?

    • one year ago
  32. TuringTest Group Title
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    rather, 5x-8 could be what two numbers?

    • one year ago
  33. ramirokool Group Title
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    I still think it C cause that what I got, 0.8 and 4.

    • one year ago
  34. TuringTest Group Title
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    it's not C

    • one year ago
  35. TuringTest Group Title
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    |a|=b implies that either a=b or a=-b

    • one year ago
  36. ramirokool Group Title
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    My mistake D.

    • one year ago
  37. TuringTest Group Title
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    yes :)

    • one year ago
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