On a separate sheet of paper, plot points A(1, –1), B(–1, 3), and C(4, –1), and find all possible locations of a fourth point D so that a parallelogram is formed by the vertices. Points A, B, C, and D can be in any order as vertices. Once you have found all possible locations for Point D, record all of the coordinates for Point D in the box below.

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zpupster · Answer

http://www.algebra.com/algebra/homework/Parallelograms/Parallelograms.faq.question.186973.html explained very well here what class is this for??