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anonymous

  • one year ago

What is the solution to the set of lx-2l>3? X<1 or x>-5 X<-1 or x>5 X>1 or x<-5 X>-1 or x<5

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  1. anonymous
    • one year ago
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    What is the degree of the polynomial 2h^5+3h^4+h^2-3

  2. anonymous
    • one year ago
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    1. \[\left| x-a \right|>b \implies \left( x-a \right) <-b ~and~\left( x-a \right)>b\]

  3. anonymous
    • one year ago
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    2. highest degree of h

  4. anonymous
    • one year ago
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    I have no clue what you said

  5. SolomonZelman
    • one year ago
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    do you know what |x-2| means ?

  6. anonymous
    • one year ago
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    No

  7. anonymous
    • one year ago
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    @SolomonZelman

  8. anonymous
    • one year ago
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    I also have 1 more question after this if you don't mind helping

  9. SolomonZelman
    • one year ago
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    we can't jump like this (it's not basketball)

  10. SolomonZelman
    • one year ago
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    So, when you say |4| that means "absolute value of a 4 (i.e. a distance of 4)

  11. SolomonZelman
    • one year ago
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    tell, me what do you get for 4-0 and for 4-8 ?

  12. anonymous
    • one year ago
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    4 and -4

  13. SolomonZelman
    • one year ago
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    yes

  14. anonymous
    • one year ago
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    Do I just plug in the numbers into x?

  15. SolomonZelman
    • one year ago
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    hold on, follow along with me

  16. anonymous
    • one year ago
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    Okay

  17. SolomonZelman
    • one year ago
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    if you say |4-0| or |4-8| (the first one mean "the absolute value of 4 minus 0" , and that is "the distance from 4 to 0") (the first one mean "the absolute value of 4 minus 8" , and that is "the distance from 4 to 8") both of these distances (from 4 to 0, and from 4 to 8) are (each of them is) =4

  18. SolomonZelman
    • one year ago
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    let me draw this

  19. SolomonZelman
    • one year ago
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    |dw:1435287030792:dw|

  20. SolomonZelman
    • one year ago
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    |dw:1435287260043:dw|

  21. SolomonZelman
    • one year ago
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    |4-8| = ? (can you tell me . when you are done reading)

  22. anonymous
    • one year ago
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    -4 or 4

  23. SolomonZelman
    • one year ago
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    no, only 4

  24. SolomonZelman
    • one year ago
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    it is the distance. (You can walk 4 miles, but you don't walk -4 miles)

  25. anonymous
    • one year ago
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    So there can't be a negative

  26. SolomonZelman
    • one year ago
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    yes, when every there is an absolute value marks |...|

  27. SolomonZelman
    • one year ago
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    when ever*

  28. anonymous
    • one year ago
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    Okay so the answer to my question would be x<-1 or x>5?

  29. anonymous
    • one year ago
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    Or would it be x<1 or >-5

  30. SolomonZelman
    • one year ago
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    |x-2|>3 means that there is a point x on a number line, the distance from which, to a 2, is greater than 3 units. ------------------------------------ x<-1 means that x is smaller than -1 `|-1.1 - 2|>3` `|-3.1|>3` `3.1>3` true?

  31. SolomonZelman
    • one year ago
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    or x>5 means that x is greater than 5 |5.1-2|>3 |3.1|>3 3.1>3 true?

  32. SolomonZelman
    • one year ago
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    yes, x<-1 or x>5 is correct

  33. anonymous
    • one year ago
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    Thank you! I understand now

  34. anonymous
    • one year ago
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    How would I use the quadratic formula to solve x^2+5x=-2. Using complete sentences

  35. anonymous
    • one year ago
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    @SolomonZelman

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