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ali2x2

  • one year ago

Which of the following apply to the graph on the inequality? Please mark all choices that apply. x > 7 There is a colored dot at 7. There is an open dot at 7. Shading goes to the left. Shading goes to the right.

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  1. butterflydreamer
    • one year ago
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    maybe you should start off by graphing first :) So, do you know how to graph x = 7 ?

  2. ali2x2
    • one year ago
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    Im really new to graphing Can you show me an example? :)

  3. ali2x2
    • one year ago
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    Hello? Butterflydreamer are you there at the moment?

  4. ali2x2
    • one year ago
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    Im really new to graphing Can you show me an example? :)

  5. butterflydreamer
    • one year ago
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    sureeee. So if the question wanted you to sketch x > 3. The first thing that you would want to do is to sketch x = 3 x = 3 will look something like this: |dw:1435922992502:dw| The open circle means that the number 3 is not included which is TRUE because we have "x>3" which means x is greater than 3 and not equal to three :) Similarly, if we graph x>3 on a number plane, it will look like: |dw:1435923238945:dw|

  6. ali2x2
    • one year ago
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    Hmm ok so i have used the number line and i understand the shaded region Ok so i have one answer to my multiple choice question i have there is an open dot at 7. Is that correct?

  7. ali2x2
    • one year ago
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    And since x is bigger than 7 does that mean that the next answer is that the shading goes to the right?

  8. UsukiDoll
    • one year ago
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    if you have a > or < we have an open dot if you have a \[\geq \leq\] we have a closed dot.

  9. UsukiDoll
    • one year ago
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    yes that's right. good job :D

  10. ali2x2
    • one year ago
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    @butterflydreamer So both of my answers are correct?

  11. butterflydreamer
    • one year ago
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    yeeepp ^_^

  12. ali2x2
    • one year ago
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    Yaaaaaa Thank you @butterflydreamer :D You too @usukidoll :D

  13. UsukiDoll
    • one year ago
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    tip: we can shade based on the tail of the sign |dw:1435923724903:dw|

  14. ali2x2
    • one year ago
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    But what does colored dot mean? ._.

  15. UsukiDoll
    • one year ago
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    oops forgot my dot |dw:1435923785771:dw|

  16. UsukiDoll
    • one year ago
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    the direction... you are shading right at the tail of the sign... that's why I circled the tail at the > sign similarly if we have the < sign... based on the tail , we are shading left.

  17. UsukiDoll
    • one year ago
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    I remembered doing this wrong back in middle school and that lingered to high school because she mentioned shade the region according to pac man's mouth... but it turns out to be opposite of that

  18. ali2x2
    • one year ago
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    Huh so its like reverse psychology

  19. UsukiDoll
    • one year ago
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    yup stuck with me since

  20. UsukiDoll
    • one year ago
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    |dw:1435923932894:dw|

  21. ali2x2
    • one year ago
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    Ok that's great to hear someone is available would you mind another question? Ok ill save that to the computer real quick

  22. UsukiDoll
    • one year ago
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    it depends on the question as I have not done some of these topics since over 5 years ago.

  23. ali2x2
    • one year ago
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    Ok

  24. ali2x2
    • one year ago
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    Which of the following numbers would be in the solution set of this inequality? Mark all that apply. ≤ -2 -12 -13 0 -14

  25. ali2x2
    • one year ago
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    wait the image didnt load

  26. UsukiDoll
    • one year ago
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    maybe we can let x be whatever the choices are and then plug them in T_T! Gawd I'm not confident in this x.x

  27. butterflydreamer
    • one year ago
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    firstly, you want to get rid of the fraction :) To do this multiply both sides by 2

  28. ali2x2
    • one year ago
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    Neither am i >_> You think its easy being in online school? Its a nightmare O_O

  29. ali2x2
    • one year ago
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    But what will i multiply x with i wont know what i will get?

  30. UsukiDoll
    • one year ago
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    I've read about online school being a nightmare... I think online school has recently became popular as I went to traditional school through all my years.

  31. UsukiDoll
    • one year ago
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    well as @butterflydreamer mentioned we can multiply both sides by 2 to get rid of the fraction

  32. ali2x2
    • one year ago
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    |dw:1435924292268:dw|

  33. ali2x2
    • one year ago
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    SOO SORRY I PUT IN THE WRONG DRAWING DX

  34. UsukiDoll
    • one year ago
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    draw a ... jsdlafjdsalk it's ok XD!

  35. ali2x2
    • one year ago
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    xD

  36. butterflydreamer
    • one year ago
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    jookkkesss LOL Okay, multiply both sides by 6 to get rid of the fraction :)

  37. ali2x2
    • one year ago
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    @butterflydreamer But x is unknown what will i do?

  38. UsukiDoll
    • one year ago
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    maybe you can plug in one of those choices you're given for x ?

  39. ali2x2
    • one year ago
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    Really i dont understand what you just said i cant because those are the answers not what i am given to use right?

  40. UsukiDoll
    • one year ago
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    Your question did say which of the following numbers would be the solution to the inequality .

  41. butterflydreamer
    • one year ago
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    |dw:1435924547669:dw| now what does 2 times 6 equal to?

  42. UsukiDoll
    • one year ago
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    so I'm thinking since you have those numbers x = 0,-12,-13,-14 plug one of them into the equation... to see if the inequality holds true or not.

  43. ali2x2
    • one year ago
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    Hmm ok this is really a hard one XD 12 :P

  44. ali2x2
    • one year ago
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    Wait -12 correct because thats only one of the following answers im given.

  45. butterflydreamer
    • one year ago
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    .... wait is your question: |dw:1435924733751:dw|

  46. ali2x2
    • one year ago
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    Yet again i fail to write the correct question. Yes it is that @butterflydreamer

  47. UsukiDoll
    • one year ago
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    well we can skip steps since we already got rid of the 6 and solved the right hand side.

  48. UsukiDoll
    • one year ago
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    |dw:1435924844795:dw|

  49. butterflydreamer
    • one year ago
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    xD alright... okay so now we multiply both sides by 6 |dw:1435924809593:dw|

  50. UsukiDoll
    • one year ago
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    ok now given x = 0,-12,-13,-14 which of these values will work.

  51. ali2x2
    • one year ago
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    Thats you guys your really helping me bye

  52. UsukiDoll
    • one year ago
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    we are looking for less than or equal to because of that symbol. so any x less than or any x equal will work

  53. butterflydreamer
    • one year ago
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    then remember that: |dw:1435924899098:dw|

  54. butterflydreamer
    • one year ago
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    *is less than or equal to -12

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