In the x-y plane,the coordinates of three consecutive vertices of a rectangle are (2a,b),(-2a,b),(-2a,-3b).If a and b are integers with a<0 and b>0.Which of the following could be the coordinates of the fourth vertex?
A. (-3,-2)
B. (-2,-3)
C. (6,-9))
D. (-6,-9)
E. (-6,9)
A. (-3,-2)
B. (-2,-3)
C. (6,-9))
D. (-6,-9)
E. (-6,9)
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