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jessiegonzales

  • one year ago

Medal!!!! 17. Which graph best represents the following expression? lx-1l>2

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  1. jessiegonzales
    • one year ago
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    @jim_thompson5910

  2. jim_thompson5910
    • one year ago
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    |x-1| > 2 expands into these two inequalities x-1 > 2 or x - 1 < -2

  3. jim_thompson5910
    • one year ago
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    what do you get when you solve x-1 > 2 for x?

  4. jessiegonzales
    • one year ago
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    4?

  5. jim_thompson5910
    • one year ago
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    close, x > 3 do you see how to get that?

  6. jessiegonzales
    • one year ago
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    oh yes i see

  7. jim_thompson5910
    • one year ago
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    you add 1 to both sides

  8. jim_thompson5910
    • one year ago
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    do the same for x - 1 < -2

  9. jessiegonzales
    • one year ago
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    x<-1

  10. jim_thompson5910
    • one year ago
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    good

  11. jim_thompson5910
    • one year ago
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    so we have x > 3 and x < -1

  12. jessiegonzales
    • one year ago
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  13. jessiegonzales
    • one year ago
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    my answer

  14. jim_thompson5910
    • one year ago
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    that graph is -1 < x < 3

  15. jessiegonzales
    • one year ago
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    yes

  16. jim_thompson5910
    • one year ago
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    the shaded portion is anything between -1 and 3

  17. jim_thompson5910
    • one year ago
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    but the solution is actually x < -1 or x > 3

  18. jim_thompson5910
    • one year ago
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    different from -1 < x < 3

  19. jessiegonzales
    • one year ago
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    so do u think it would be this option

  20. jessiegonzales
    • one year ago
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  21. jim_thompson5910
    • one year ago
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    draw a number line |dw:1434963948218:dw|

  22. jim_thompson5910
    • one year ago
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    plot x < -1 |dw:1434963979172:dw|

  23. jessiegonzales
    • one year ago
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  24. jim_thompson5910
    • one year ago
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    then plot x > 3 |dw:1434964001977:dw|

  25. jessiegonzales
    • one year ago
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    thank you soooo much

  26. jim_thompson5910
    • one year ago
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    no problem

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