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FUZZYBALL

  • one year ago

Which statement is true? A. |–4| < 4 B. |–1| < 0 C. |–6| = –6 D. |–14| > 10

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  1. FUZZYBALL
    • one year ago
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    I will fan and medal

  2. misty1212
    • one year ago
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    HI!!

  3. mathstudent55
    • one year ago
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    What is |-4| ?

  4. misty1212
    • one year ago
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    you want to make a guess?

  5. FUZZYBALL
    • one year ago
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    A

  6. mathstudent55
    • one year ago
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    Do you know what absolute value is?

  7. misty1212
    • one year ago
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    ok answer @mathstudent55 question first

  8. mathstudent55
    • one year ago
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    |0| = 0 |positive number| = positive number |negative number| = positive number

  9. FUZZYBALL
    • one year ago
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    no i dont

  10. mathstudent55
    • one year ago
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    The absolute value of a number is just the number with no sign. If the number was positive or zero, the absolute value is just the number. If the number was negative, the absolute value is just the number without the negative sign, so it is a positive number.

  11. anonymous
    • one year ago
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    The lines represent the absolute value. So for instance, if you had thr number -5, the absolute value of -5 would be 5 since absolute values cannot be negative.

  12. mathstudent55
    • one year ago
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    Examples: |1| = 1 |0| = 0 |-3| = 3 |-25| = 25 \(|\sqrt 2| = \sqrt 2\) \(|-\sqrt 3 | = \sqrt 3\)

  13. anonymous
    • one year ago
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    @mathstudent55 is correct.

  14. mathstudent55
    • one year ago
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    Do you understand the absolute value now?

  15. FUZZYBALL
    • one year ago
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    I think so..

  16. mathstudent55
    • one year ago
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    Good. Now look at choice A. |-4| < 4 We are comparing |-4| with 4 What is |-4| equal to?

  17. FUZZYBALL
    • one year ago
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    4?

  18. mathstudent55
    • one year ago
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    Correct. That means the statement in A is really 4 < 4 Is 4 less than 4?

  19. FUZZYBALL
    • one year ago
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    no

  20. mathstudent55
    • one year ago
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    Correct. That means statement A is false. We move on to B.

  21. mathstudent55
    • one year ago
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    B. |–1| < 0 What is |-1| ?

  22. mathstudent55
    • one year ago
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    Correct. A. 1 < 1 Is that true or false?

  23. FUZZYBALL
    • one year ago
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    false

  24. mathstudent55
    • one year ago
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    Correct. Move on to C.

  25. FUZZYBALL
    • one year ago
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    C is true because 6=6

  26. mathstudent55
    • one year ago
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    C. |–6| = –6 What is |-6| = ?

  27. mathstudent55
    • one year ago
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    Not so fast. What is |-6| = ?

  28. FUZZYBALL
    • one year ago
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    6

  29. mathstudent55
    • one year ago
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    That means C really is: |–6| = –6 6 = -6 Is 6 equal to -6?

  30. FUZZYBALL
    • one year ago
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    OH no

  31. mathstudent55
    • one year ago
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    Correct. By the process of elimination, the answer has to be D, but since we are not lazy, and we are here to learn, we will look at D.

  32. mathstudent55
    • one year ago
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    D. |–14| > 10 What is |-14| = ?

  33. FUZZYBALL
    • one year ago
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    14

  34. mathstudent55
    • one year ago
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    Correct. D is: |–14| > 10 14 > 10 Is 14 greater than 10?

  35. FUZZYBALL
    • one year ago
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    yes

  36. FUZZYBALL
    • one year ago
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    Thank you so much for your help

  37. mathstudent55
    • one year ago
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    Excellent. D is the correct answer since it is the only true statement among the choices.

  38. mathstudent55
    • one year ago
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    Great job!

  39. FUZZYBALL
    • one year ago
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    can you help me with a few more and check one i have already done?

  40. mathstudent55
    • one year ago
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    Yes, I have about 10 minutes I can help

  41. FUZZYBALL
    • one year ago
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    ok

  42. FUZZYBALL
    • one year ago
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    What is |–12|? i put 12

  43. mathstudent55
    • one year ago
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    Correct

  44. FUZZYBALL
    • one year ago
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    Which list of values is ordered from least to greatest? A. |–5|, 0, 3, –|–4| B. –7, –|–3|, 0, |–4| C. –|6|, |–3|, 1, 4 D. |–12|, –|–5|, 2, |–8|

  45. mathstudent55
    • one year ago
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    Remember, the absolute value is only the number without a sign, so if the number is zero or positive, it's just the number. If the number is negative, just take out the negative sign and make it positive.

  46. mathstudent55
    • one year ago
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    Take each choice and rewrite it by writing the correct absolute value. Here is A. A. |–5|, 0, 3, –|–4| 5, 0, 3, -4 |-5| = 5. You understand this, I'm sure. Do you understand why -|-4| is -4?

  47. FUZZYBALL
    • one year ago
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    yes because -I-4I it has and extra -

  48. mathstudent55
    • one year ago
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    |dw:1441129271075:dw|

  49. mathstudent55
    • one year ago
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    Exactly. See figure above.

  50. mathstudent55
    • one year ago
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    Since a negative number is less than a positive number, the -4 at the end cannot be in order from least to greatest, so A. is not the answer.

  51. mathstudent55
    • one year ago
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    Now let's look at B. B. –7, –|–3|, 0, |–4|

  52. mathstudent55
    • one year ago
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    -7 and 0 are done. What is -|-3| = ?

  53. mathstudent55
    • one year ago
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    Great job again!

  54. mathstudent55
    • one year ago
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    It isn't but let's look at it. C. –|6|, |–3|, 1, 4 -|6| = -6 |-3| = 3 Ok so far?

  55. FUZZYBALL
    • one year ago
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    oh they tricked me :/

  56. mathstudent55
    • one year ago
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    That means C is -6, 3, 1, 4 3 > 1, so it is not in order from least to greatest.

  57. mathstudent55
    • one year ago
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    Right. They try to trick you and you need to outsmart them with your knowledge of math.

  58. FUZZYBALL
    • one year ago
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    ok do you have enough time for one more?

  59. mathstudent55
    • one year ago
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    D. |–12|, –|–5|, 2, |–8| Here you can tell it's not it just by looking at |-12| The first number is 12, so this is not possibly in order.

  60. mathstudent55
    • one year ago
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    No, sorry, gtg.

  61. mathstudent55
    • one year ago
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    I'll be back in about 15-20 minutes.

  62. FUZZYBALL
    • one year ago
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    okay thanks for your help!

  63. mathstudent55
    • one year ago
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    You're welcome.

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