The points Q(1,-1),R(-1,0) and S(0,1) are three vertices of a parallelogram. The coordinates of the fourth vertex of the parallelogram could be
Answer Choices
A. (-2,2)
B. (0,-1)
C. (0,0)
D. (\frac32,\frac12)
E. (-1,1)
The points Q(1,-1),R(-1,0) and S(0,1) are three vertices of a parallelogram. The coordinates of the fourth vertex of the parallelogram could be
Answer Choices
A. (-2,2)
B. (0,-1)
C. (0,0)
D. (\frac32,\frac12)
E. (-1,1)