T = int(input())

for _ in range(T):
  Ax, Ay, Bx, By, Cx, Cy = map(int, input().split())
  x = (Ay*Bx + Ax*By)**2
  y = Cy*Cy*(Ax**2+Ay**2)*(Bx**2+By**2)
  if y%(Cx**2+Cy**2) != 0:
    print("No")
  else:
    y //= Cx**2 + Cy**2
    if x == y:
      print("Yes")
    else:
      print("No")