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heyitslizzy13

  • one year ago

help!!!

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  1. heyitslizzy13
    • one year ago
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    :)

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  2. welshfella
    • one year ago
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    the vertical lines around the 2x - 4 mean the ABSOLUTE value of 2x - 4 and is always positive 2x - 4 itself may be positive or negative

  3. heyitslizzy13
    • one year ago
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    okay

  4. heyitslizzy13
    • one year ago
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    so I solved for both 2x-4 and 2x+4 and got x<= 5/2 and x<= 3/2

  5. welshfella
    • one year ago
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    so we can write 2 equations 2x - 4 <= 1 and 2x - 4 >= -1

  6. welshfella
    • one year ago
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    solving these 2 equations will give you the limits of the intervals

  7. welshfella
    • one year ago
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    can you solve these/

  8. heyitslizzy13
    • one year ago
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    so 5/2 and 3/2

  9. heyitslizzy13
    • one year ago
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    ?

  10. triciaal
    • one year ago
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    when you divide by a negative change the inequality

  11. triciaal
    • one year ago
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    |dw:1440872789677:dw|

  12. triciaal
    • one year ago
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    |dw:1440873182946:dw|

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spraguer (Moderator)
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