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anonymous

  • one year ago

MEDAL AND FAN, ONE QUESTION!!

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  1. anonymous
    • one year ago
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    Given the data set (5, 9), (13, 12), (23, 16), which of the following equations best represents a line of best fit? y = three fourthsx − 7 y = four fifthsx + 7 y = three over twox + 7 y = two thirdsx − 7

  2. anonymous
    • one year ago
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    @dan815 :))

  3. anonymous
    • one year ago
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    @welshfella

  4. dan815
    • one year ago
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    what grade are you in?

  5. anonymous
    • one year ago
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    9th

  6. dan815
    • one year ago
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    okay, in that case, draw these 3 points out, and draw a line of best fit, and find its slope and y intercept

  7. anonymous
    • one year ago
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    I don't know how to do this, it's a new topic to me

  8. dan815
    • one year ago
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    graph the points first

  9. anonymous
    • one year ago
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    ok, i graphed them

  10. dan815
    • one year ago
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    |dw:1434731573899:dw|

  11. dan815
    • one year ago
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    now draw a line like this

  12. anonymous
    • one year ago
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    Alright

  13. dan815
    • one year ago
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    that fits through the points best

  14. anonymous
    • one year ago
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    ok, i did

  15. dan815
    • one year ago
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    okay now find its slope, its going to be an approximate

  16. anonymous
    • one year ago
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    Is it A?

  17. dan815
    • one year ago
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    |dw:1434731691450:dw|

  18. anonymous
    • one year ago
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    oh, so it's C?

  19. dan815
    • one year ago
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    probably not C

  20. anonymous
    • one year ago
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    Not A or C, just checked. I'm leaning towards D

  21. anonymous
    • one year ago
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    aaaaa idk

  22. dan815
    • one year ago
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    where does your line intersect the y axis?

  23. dan815
    • one year ago
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    dont look at my picture, its random, look at yours

  24. anonymous
    • one year ago
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    Did you ever figure out this question? I graphed everything, and none of the equations seem to match up for me. Idk what I'm doing wrong.

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spraguer (Moderator)
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