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leslie096

  • one year ago

Indicate the equation of the given line in standard form. The line with slope and containing the midpoint of the segment whose endpoints are (2, -3) and (-6, 5).

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  1. Zale101
    • one year ago
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    For the midpoint, we have to us this formula ((x1+x2)/2,(y1+y2)/2)

  2. doulikepiecauseidont
    • one year ago
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    Was the slope given? It loks like you forgot to add it or no?

  3. leslie096
    • one year ago
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    -4,6

  4. leslie096
    • one year ago
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    Wait where did you get 9 from? zale101

  5. Zale101
    • one year ago
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    oh i'm sorry lol

  6. Zale101
    • one year ago
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    So here we have ((2+(-6))/2,(-3+5)/2) =

  7. leslie096
    • one year ago
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    its ok i messed up too. it's 2, 3/2 or 7/2?

  8. Zale101
    • one year ago
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    ((2+(-6))/2= -2 (-3+5)/2= 1

  9. leslie096
    • one year ago
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    oh ok. what's next?

  10. Zale101
    • one year ago
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    the slope is (change in y)/(change in x)

  11. Zale101
    • one year ago
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    or (y2-y1)/(x2-x1)

  12. Zale101
    • one year ago
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    So (5+(-3))/(-6+2) = ?

  13. leslie096
    • one year ago
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    averages?

  14. Zale101
    • one year ago
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    Do you know how to plug in the numbers into the formula's, like what i did here for example (5+(-3))/(-6+2) = ?

  15. Zale101
    • one year ago
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    solve this for me (5+(-3))/(-6+2) = ?

  16. leslie096
    • one year ago
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    sooo -3-5/2+6 = -8/8?

  17. Zale101
    • one year ago
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    which equals -1

  18. leslie096
    • one year ago
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    so then after that i just do y-y1= -1(x1-x. which is y+3=-1(x-5)?

  19. Zale101
    • one year ago
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    1 and -2 are the midpoints

  20. leslie096
    • one year ago
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    so (y-1)=-1(x=2)?

  21. Zale101
    • one year ago
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    this means the midpoint is (-2,1)

  22. Zale101
    • one year ago
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    x=-2 y=1

  23. leslie096
    • one year ago
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    so then what comes after finding the midpoint

  24. Zale101
    • one year ago
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    |dw:1371860805417:dw|

  25. Zale101
    • one year ago
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    You are trying to find the midpoint of the endpoint points (2, -3) and (-6, 5).

  26. leslie096
    • one year ago
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    omg i forgot to put what the slope... I'm sorry lol slope=9/7

  27. Zale101
    • one year ago
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    |dw:1371861044750:dw|

  28. Zale101
    • one year ago
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    That's fine, but u need to keep in mind what's endpoint and what's midpoint

  29. Zale101
    • one year ago
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    midpoint means middle point endpoints means end of the line points

  30. leslie096
    • one year ago
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    i know what midpoints and endpoints are.

  31. Zale101
    • one year ago
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    Ok :)

  32. Zale101
    • one year ago
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    just making it clear for u

  33. leslie096
    • one year ago
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    ok. but what comes after we find the midpoint?

  34. Zale101
    • one year ago
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    Use this formula to find the the point-slope form of a line y - y1 = m(x - x1)

  35. Zale101
    • one year ago
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    so we should plug in the numbers y - 1 = (9/7)(x - -2)

  36. Zale101
    • one year ago
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    then simplify

  37. satellite73
    • one year ago
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    "The line with slope SOMETHING MISSING HERE and containing the midpoint of the segment whose endpoints are (2, -3) and (-6, 5)."

  38. leslie096
    • one year ago
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    Ohhhh! so its 9x-7y=-24

  39. Zale101
    • one year ago
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    @satellite73, i actually read the question wrong lol from where did u get 24? 7y - 7 = 9x + 18 7y = 9x + 25 9x - 7y = -25

  40. Zale101
    • one year ago
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    Hope i helped, sorry for taking your time

  41. leslie096
    • one year ago
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    its ok. thanks for the help! :)

  42. Zale101
    • one year ago
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    no problem :)

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