import sys
input = sys.stdin.readline

from math import gcd
def frac(x, y):
    if x == 0:
        return (0, 2 * int(y > 0) - 1)
    if y == 0:
        return (2 * int(x > 0) - 1, 0)
    g = gcd(x, y)
    x, y = x // g, y // g
    return (x, y)


T = int(input())
for _ in range(T):
    x1, y1, x2, y2, X1, Y1, X2, Y2 = map(int, input().split())
    dx1 = X1 - x1
    dx2 = X2 - x2
    dy1 = Y1 - y1
    dy2 = Y2 - y2
    if (x1, x2, y1, y2) == (X1, X2, Y1, Y2):
        print("Yes")
    elif frac(x2 - x1, y2 - y1) != frac(X2 - X1, Y2 - Y1):
        print("No")
    elif (x2 - x1) ** 2 + (y2 - y1) ** 2 <= (X2 - X1) ** 2 + (Y2 - Y1) ** 2:
        print("No")
    else:
        print("Yes")