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Math Help - Coordinates

  1. #1
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    Coordinates

    Please help, a little confused over this one, i'm acutally working on congruent parts, and this one seem a bit different that the ones i've been doing

    Determine the coordinates of the point three-fourths of the way from A(-9,3) and (-1,-7)?

    Thanks
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  2. #2
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    Quote Originally Posted by nuckers View Post
    Please help, a little confused over this one, i'm acutally working on congruent parts, and this one seem a bit different that the ones i've been doing

    Determine the coordinates of the point three-fourths of the way from A(-9,3) and (-1,-7)?

    Thanks
    Consider the x-coordinates first.
    From -9 to -1 are 8 steps. Therefore 3/4 of the way is 6 steps. -9+6=-3.
    Then do a similar process for the y-coordinates.
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  3. #3
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    Quote Originally Posted by Debsta View Post
    Consider the x-coordinates first.
    From -9 to -1 are 8 steps. Therefore 3/4 of the way is 6 steps. -9+6=-3.
    Then do a similar process for the y-coordinates.
    Thanks for the info, but i got that one, i'm having problems with the y-coordinates, i'm supposed to be using absolute value, and it just doesn't seem to be working out.
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  4. #4
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    Quote Originally Posted by nuckers View Post
    Thanks for the info, but i got that one, i'm having problems with the y-coordinates, i'm supposed to be using absolute value, and it just doesn't seem to be working out.
    3 to -7 means -10 steps
    3/4 of the way is -7.5 steps.
    3-7.5 = -4.5
    What's absolute values got to do with it???
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  5. #5
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    Quote Originally Posted by Debsta View Post
    3 to -7 means -10 steps
    3/4 of the way is -7.5 steps.
    3-7.5 = -4.5
    What's absolute values got to do with it???
    I'm doing division of line segments, and was told to use absolute values, can't do that in here, so i'm trying to figure out why, i kept coming up with a positive number which can't work.

    Thanks so much for your help
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