Three vertices of a parallelogram WXYZ are X(-2, -3) Y(0, 5) and Z(7, 7). Find the coordinates of vertex W.

Question

a
(4, 0)
b
(5, 0)
c
(9, 15)
d
(5, -1)

Answer 1

WZ must be equal to and parallel to XY
Y-X = (2,8)
so, Z-W = (2,8)
W = Z-(2,8) = (5,-1)