import sys, time, random
from collections import deque, Counter, defaultdict
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 61 - 1
mod = 998244353

def solve():
    x1, y1, x2, y2, X1, Y1, X2, Y2 = mi()
    if (x1 == X1) and (y1 == Y1) and (x2 == X2) and (y2 == Y2):
        print('Yes')
        return
    elif (x1 - x2) * (Y1 - Y2) != (X1 - X2) * (y1 - y2):
        print('No')
        return
    elif (x2 - x1) ** 2 + (y2 - y1) ** 2 <= (X1 - X2) ** 2 + (Y2 - Y1) ** 2:
        print('No')
        return
    else:
        print('Yes')
        
for _ in range(ii()):
    solve()