def IM(): return map(int, input().split())
def IL()->list[int]: return [int(i) for i in input().split()]

from fractions import Fraction

T = int(input())
for i in range(T):
    ax, ay, bx, by, cx, cy = IM()
    if all([ax, ay, bx, by, cx, cy]):
        a = Fraction(ay, ax)
        b = Fraction(by, bx)
        c = Fraction(cy, cx)
        # 加法定理
        if a + b == c * (1 - a * b):
            print("Yes")
        else:
            print("No")
    else:
        if ay == 0:
            b = Fraction(by, bx)
            c = Fraction(cy, cx)
            if b == c:
                print("Yes")
            else:
                print("No")
        elif by == 0:
            a = Fraction(ay, ax)
            c = Fraction(cy, cx)
            if a == c:
                print("Yes")
            else:
                print("No")
        elif cy == 0:
            if cx < 0:
                if ax == 0 and bx == 0:
                    print("Yes")
                else:
                    print("No")
            else:
                if ay == 0 and by == 0:
                    print("Yes")
                else:
                    print("No")
        elif ax == 0:
            b = Fraction(-bx, by)
            c = Fraction(cy, cx)
            if b == c:
                print("Yes")
            else:
                print("No")
        elif bx == 0:
            a = Fraction(-ax, ay)
            c = Fraction(cy, cx)
            if a == c:
                print("Yes")
            else:
                print("No")
        elif cx == 0:
            a = Fraction(ay, ax)
            b = Fraction(by, bx)
            if (1 - a * b) == 0:
                print("Yes")
            else:
                print("No")
        else:
            print(i)