import sys
input = sys.stdin.readline

T=int(input())

for tests in range(T):
    a,b,c,d,e,f=map(int,input().split())

    if b==0 and d==0 and f==0:
        if e>0:
            print("Yes")
        else:
            print("No")
        continue

    if (c*b+a*d)*e == (a*c - b*d) *f:
        print("Yes")
    else:
        print("No")