def solve():
  ax,ay,bx,by,cx,cy = map(int,input().split())
  x = ax * bx - ay * by
  y = ax *by + ay * bx
  if x * cy == y * cx and cx * x >= 0:
    print("Yes")
  else:
    print("No")


T = int(input())
for _ in range(T):
  solve()