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Math Help - Help with Graphing Geometry

  1. #1
    Newbie
    Joined
    Mar 2010
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    Help with Graphing Geometry

    I feel stupid asking this considering everyone else seems to be asking questions that seem 10 times more difficult than this... but..

    The question was: "Find a fourth point, D, so that a parallelogram is formed using the vertices A(0,-4), B(5,-3), C(-4,-3) and D in any order. Plot your points and draw the parallelogram in the coordinate plane"

    Could someone here help me out?
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  2. #2
    Super Member

    Joined
    May 2006
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    Lexington, MA (USA)
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    Hello, de1043!

    Find a fourth point D so that a parallelogram is formed
    using the vertices A(0,-4),\; B(5,-3),\; C(-4,-3)\text{ and }D in any order.
    Plot your points and draw the parallelogram in the coordinate plane.
    There are three possible parallelograms.

    Code:
                                  |
                                  |
              - - - - - - - - - - + - - - - - - - - - - -
                                  |        D
                                  |        o (1,-2)
                                  |  *        *
                         C     *  |              *  B
                 (-4,-3) o        |                 o (5,-3) 
                            *     |           * 
                               *  |     *
                                  o 
                                 A|(0,-4)
                                  |



    Code:
                                  |
                                  |
              - - - - - - - - - - + - - - - - - - - - - -
                                  |
                                  |
                                  |
                         C        |                 B 
                 (-4,-3) o  *  *  *  *  *  *  *  *  o (5,-3) 
                            *     |                    * 
                               *  |                       *  D
                                  o  *  *  *  *  *  *  *  *  o 
                                 A|(0,-4)                 (9,-4)
                                  |



    Code:
                                  |
                                  |
              - - - - - - - - - - + - - - - - - - - - - -
                                  |
                                  |
                                  |
                         C        |                 B
                 (-4,-3) o  *  *  *  *  *  *  *  *  o (5,-3) 
                   *              |           * 
       D     *                    |     *
       o  *  *  *  *  *  *  *  *  o
    (-9,-4)                      A|(0,-4)
                                  |

    I'll let you figure out how I located those points.

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