Answer:
5) a) (1,1)
b) C (0,2)
6) D (1,-3)
Step-by-step explanation:
5) a) T = (-3+5)/3 , (-1+3)/2 = (1,1)
b) (x+2)/0, (y+0)/2 = 1,1
x = 0 , y = 2
C (0,2)
6) diagonals share a common midpoint
(6+3)/2 , (-1+2)/2 = (x+8)/2, (y+4)/2
9 = x+8 x = 1
1 = y+4 y = -3
D (1,-3)