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anonymous

  • one year ago

|2x+10|>26 I just need help to why I got this wrong, I will add the answer choices.

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  1. anonymous
    • one year ago
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  2. DanJS
    • one year ago
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    do you know how the absolute value works?

  3. DanJS
    • one year ago
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    the quantity in the absolute value can be either > 26 or <-26

  4. DanJS
    • one year ago
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    solve both of them

  5. anonymous
    • one year ago
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    sorry I just saw this, one second

  6. anonymous
    • one year ago
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    isnt it >26

  7. DanJS
    • one year ago
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    |dw:1443282535369:dw|

  8. anonymous
    • one year ago
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    im really confused

  9. anonymous
    • one year ago
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    sorry

  10. DanJS
    • one year ago
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    the function is larger than 26 for those shaded areas

  11. anonymous
    • one year ago
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    okay, but if i look at the answer choices, 26 is not on one of the answer choices

  12. DanJS
    • one year ago
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    right, you have to solve for the intervals of the shaded area if the absolute value is greater than a number, you will get an OR statement with two solution intervals... The absolute value function is just a distance from zero, if this distance is greater than, you will have two solutions Like if absolute value of x is greater than 2, you will get x>2 OR x <-2, both those are the solutions for all distances greater than 2 from zero

  13. anonymous
    • one year ago
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    ohh okay that makes sense

  14. anonymous
    • one year ago
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    so if i I2x+10I>26 and subtract 10 on both sides it will give me I2xI>16 And then divide both sides by 2 i will get IxI>8

  15. DanJS
    • one year ago
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    If the absolute value is Less Than some value, say 'a', the solution will be in the form of an AND statement -a < abs( function) < +a single solution region between + and - a

  16. anonymous
    • one year ago
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    okay

  17. anonymous
    • one year ago
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    okay I think I got it! Thank you!

  18. DanJS
    • one year ago
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    k, yeah the third one

  19. DanJS
    • one year ago
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    Here this is straight forward if you need to review this http://www.purplemath.com/modules/absineq.htm

  20. Capnkookcx
    • one year ago
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    https://soundcloud.com/dann-gooas/record-0049

  21. Jaynator495
    • one year ago
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spraguer (Moderator)
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