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anonymous

  • 4 years ago

how do i solve and graph this |x|>1

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  1. UnkleRhaukus
    • 4 years ago
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    |dw:1327369811673:dw|

  2. anonymous
    • 4 years ago
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    what does the inequality look like when it is solved?

  3. UnkleRhaukus
    • 4 years ago
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    \[|x|>1\] \[\rightarrow x>1, x<-1\]

  4. anonymous
    • 4 years ago
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    r u sure?

  5. anonymous
    • 4 years ago
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    can you explain to me how you got to that answer

  6. UnkleRhaukus
    • 4 years ago
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    yeah.

  7. UnkleRhaukus
    • 4 years ago
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    well absolute value signs means magnitude

  8. UnkleRhaukus
    • 4 years ago
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    ie, there are positive and negative solutions

  9. anonymous
    • 4 years ago
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    ok, i get that, but why is x greater than 1 but less than -1?

  10. UnkleRhaukus
    • 4 years ago
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    |x|>1 the positive solution→x>1, the negative solution→-x>1 which becomes x<-1

  11. anonymous
    • 4 years ago
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    why does the > change?

  12. UnkleRhaukus
    • 4 years ago
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    the inequity symbol changes when dividing by a negative

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spraguer (Moderator)
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