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anonymous

  • 5 years ago

Find the equation for the line that passes through point (3,4) and is parallel to the equation 3/2x-3y=27/2

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  1. amistre64
    • 5 years ago
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    parallel means you use the same equation just plug in your x and y values to get a new sum

  2. amistre64
    • 5 years ago
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    we can also start by getting rid of the fractions; multiply it all by 2

  3. amistre64
    • 5 years ago
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    3x -6y = ..... ; now use your x and y

  4. anonymous
    • 5 years ago
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    im still confussed...

  5. amistre64
    • 5 years ago
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    thats becasue you havent learned how math works yet...

  6. amistre64
    • 5 years ago
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    if you tell me what your confused about, i might be able to help

  7. anonymous
    • 5 years ago
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    nope i slept through my classes in high school and now its coming back to haunt me

  8. amistre64
    • 5 years ago
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    do you recall the 5/5 = 1?

  9. anonymous
    • 5 years ago
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    yes

  10. amistre64
    • 5 years ago
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    then thats all i did to clear the fractions: if theres a 2 on the bottom, what needs to be on top to clear it? a 2 right? 2/2 = 1

  11. amistre64
    • 5 years ago
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    whatever you do to one thing you do to them all: 3(2)/2x -3(2)y = 27(2)/2 3x -6y = 27 looks better right?

  12. anonymous
    • 5 years ago
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    i can do english or other subjects no problem but this stuff makes me feel so stupid

  13. amistre64
    • 5 years ago
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    do you understand how i cleared the fractions?

  14. anonymous
    • 5 years ago
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    yes that looks better

  15. anonymous
    • 5 years ago
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    kinda

  16. amistre64
    • 5 years ago
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    now, to get a parallel line; we use the same equation but that 27 is garbage to us; throw it out and get a new number there

  17. amistre64
    • 5 years ago
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    this point they give you: (3,4) MEANS (x=3,y=4), so wherever you see an x plug in a 3; wherever you see a y plug in a 4

  18. anonymous
    • 5 years ago
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    k...3x-6y so 3(3)-(4) ?

  19. amistre64
    • 5 years ago
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    3x -6y = ____ 3(3) - 6(4) = ____ 9 - 24 = -15 ; thats our new number, -15 3x -6y = -15

  20. anonymous
    • 5 years ago
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    nooooooooo ok thats wat i was trying to type

  21. amistre64
    • 5 years ago
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    :) typing and mathing are not compatible lol

  22. anonymous
    • 5 years ago
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    ok im starting to kinda get it

  23. anonymous
    • 5 years ago
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    im figuring that out

  24. anonymous
    • 5 years ago
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    ok so now that we have this new equation how do i put it into slope intercept form

  25. amistre64
    • 5 years ago
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    slope intercept means move it all over to one side except for a y

  26. anonymous
    • 5 years ago
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    right

  27. amistre64
    • 5 years ago
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    3x -6y = -15 ; -3x from both sides -6y = -3x -15 ; multiply it all by -1 6y = 3x +15 ; divide both sides by 6 y = (3/6)x + 15/6 ; reduce fractions y = (1/2)x + 5/2

  28. anonymous
    • 5 years ago
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    where did u get 1 to multiply it by

  29. anonymous
    • 5 years ago
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    -1 i mean

  30. amistre64
    • 5 years ago
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    I could have used 128 and it would have changed nothing of the value.... but that seemed excessive lol

  31. amistre64
    • 5 years ago
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    tell me does: 3 = 3?

  32. anonymous
    • 5 years ago
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    ok...so it doesnt matter wat u multiply it by yes

  33. amistre64
    • 5 years ago
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    since 3=3 can we multiply at all by 4 and get a true result? 3=3 [4] 12 = 12 ??

  34. anonymous
    • 5 years ago
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    um yes

  35. amistre64
    • 5 years ago
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    then it really doesnt matter "where" I got it from, cause the results are the same regardless right?

  36. anonymous
    • 5 years ago
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    yes i see now

  37. amistre64
    • 5 years ago
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    I choose it because its useful to me , thats all.

  38. anonymous
    • 5 years ago
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    ok

  39. amistre64
    • 5 years ago
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    I wanted to clear out the negatives; and used 1 to keep the number looking the same

  40. anonymous
    • 5 years ago
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    oh ok

  41. amistre64
    • 5 years ago
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    -3x = -14 ; if we multiply it all by -1, we clear out the negative signs 3x = 14 ; now we have a prettier equation to work with and it still has the same value

  42. anonymous
    • 5 years ago
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    when i look at this its like another language i cant understand.

  43. amistre64
    • 5 years ago
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    :) thats cause math had to invent new symbols to express itself

  44. amistre64
    • 5 years ago
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    the only place you see 1+1 is on paper lol

  45. anonymous
    • 5 years ago
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    im glad that there are people who can understand it

  46. amistre64
    • 5 years ago
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    me too ;)

  47. anonymous
    • 5 years ago
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    im so mathematically challenged its not even funny

  48. anonymous
    • 5 years ago
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    the fact that this class is partly online doesnt help either

  49. amistre64
    • 5 years ago
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    im sure you mean doing it on paper; math is something you do all the time, its just that when we try to define it so that we can discuss it, people get wierded out

  50. anonymous
    • 5 years ago
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    its called hawkins courseware. it doesnt explain it very clearly

  51. amistre64
    • 5 years ago
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    i tried an online course once, had to drop it cause my car broke and couldnt afford books afterwards, but id much rather sit in a class

  52. anonymous
    • 5 years ago
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    i can do english or history online but im not so sure i can do this algebra

  53. amistre64
    • 5 years ago
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    :) algebra is fine

  54. anonymous
    • 5 years ago
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    i hope one day i will think that way...lol

  55. anonymous
    • 5 years ago
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    thanks for your help

  56. amistre64
    • 5 years ago
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    youre welcome :)

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