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Shehab Group Title

x-2>-5 or 5x>25

  • 2 years ago
  • 2 years ago

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  1. lgbasallote Group Title
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    first solve x - 2 > -5 do this by adding 2 to both sides. what do you get?

    • 2 years ago
  2. Shehab Group Title
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    -3 ?

    • 2 years ago
  3. lgbasallote Group Title
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    right x > -3

    • 2 years ago
  4. lgbasallote Group Title
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    now solve 5x > 25

    • 2 years ago
  5. Shehab Group Title
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    btw the said was suppose to be " greater than equal to"

    • 2 years ago
  6. lgbasallote Group Title
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    which one?

    • 2 years ago
  7. Shehab Group Title
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    so i just wrote greater than

    • 2 years ago
  8. ParthKohli Group Title
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    Doesn't matter.

    • 2 years ago
  9. ParthKohli Group Title
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    Sorry for interrupting, but you have to solve these exactly like you solve \(\rm x - 2=-5\) and \(5x = 25\).

    • 2 years ago
  10. lgbasallote Group Title
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    \[x - 2 \ge -5 \; \text{or} \; 5x \ge 25\] ??

    • 2 years ago
  11. Shehab Group Title
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    Yes that correct except the first one is the the greater than symbol

    • 2 years ago
  12. lgbasallote Group Title
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    oh so \[x - 2 > -5 ~\text{or} ~ 5x \ge 25\]

    • 2 years ago
  13. Shehab Group Title
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    Yess

    • 2 years ago
  14. lgbasallote Group Title
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    so anyway \[5x \ge 25\] do you know how to solve for x?

    • 2 years ago
  15. Shehab Group Title
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    x=5 ?

    • 2 years ago
  16. lgbasallote Group Title
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    x \(\ge \) 5 the symbols matter

    • 2 years ago
  17. lgbasallote Group Title
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    so since x - 2 > -5 is x > -3 and 5x \(\ge\) 25 is x\(\ge\) 5 your answer would be x > -3 or x\(\ge\) 5

    • 2 years ago
  18. lgbasallote Group Title
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    @ParthKohli or is different from and

    • 2 years ago
  19. Shehab Group Title
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    but when it comes to graphing x>-3 is not included

    • 2 years ago
  20. lgbasallote Group Title
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    if you mean open circle..yes

    • 2 years ago
  21. Shehab Group Title
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    yeah i mean open circle , greater than is always included

    • 2 years ago
  22. lgbasallote Group Title
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    greater than is always included?

    • 2 years ago
  23. Shehab Group Title
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    lol nvm i cant explain it here :P

    • 2 years ago
  24. lgbasallote Group Title
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    i notice

    • 2 years ago
  25. Shehab Group Title
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    Okay guys one more question

    • 2 years ago
  26. lgbasallote Group Title
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    shoot

    • 2 years ago
  27. AbhimanyuPudi Group Title
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    excluded....you have to draw a dotted line if it is greater than and you have to draw a dark complete line for greater than or equal to....

    • 2 years ago
  28. Shehab Group Title
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    hahah thats exactly what i meant ^

    • 2 years ago
  29. AbhimanyuPudi Group Title
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    sorry @lgbasallote if I interrupted you..you can carry on with your client..

    • 2 years ago
  30. Shehab Group Title
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    l3xl +8>5

    • 2 years ago
  31. lgbasallote Group Title
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    first of all, subtract 8 from both sides

    • 2 years ago
  32. Shehab Group Title
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    yeah so its 5-8=-3

    • 2 years ago
  33. lgbasallote Group Title
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    right |3x| > -3

    • 2 years ago
  34. Shehab Group Title
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    so absolute value of 3x=-3 ?

    • 2 years ago
  35. lgbasallote Group Title
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    again. remember that signs matter. > is different from =

    • 2 years ago
  36. Shehab Group Title
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    yeah sorry

    • 2 years ago
  37. lgbasallote Group Title
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    you'll see the importance in the next step

    • 2 years ago
  38. lgbasallote Group Title
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    since |3x| > -3 you turn this into two equations 3x > -3 and 3x < 3 now solve for x in each one

    • 2 years ago
  39. Shehab Group Title
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    6 and 1 ?

    • 2 years ago
  40. lgbasallote Group Title
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    hmm first solve 3x > -3 divide both sides by 3

    • 2 years ago
  41. Shehab Group Title
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    -1

    • 2 years ago
  42. Shehab Group Title
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    x=-1 or x=1 ?

    • 2 years ago
  43. lgbasallote Group Title
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    ...signs...

    • 2 years ago
  44. lgbasallote Group Title
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    it's not equal signs...

    • 2 years ago
  45. Shehab Group Title
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    sign

    • 2 years ago
  46. Shehab Group Title
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    nvm then

    • 2 years ago
  47. lgbasallote Group Title
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    it should be x>-1 and x<1 signs are very important

    • 2 years ago
  48. Shehab Group Title
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    Alright im done , thank you guys so much . you really helped me

    • 2 years ago
  49. ParthKohli Group Title
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    @lgbasallote Try to think! If \(\rm x > 5\), it still satisfies \(\rm x\ge -3\)

    • 2 years ago
  50. lgbasallote Group Title
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    in this case yes it is. but the fact remains that or is different from and

    • 2 years ago
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