#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void solve() {
	ll ax, ay, bx, by, cx, cy;
	cin >> ax >> ay >> bx >> by >> cx >> cy;
	ll dx = ax * ay - bx * by, dy = ay * bx + by * ax;
	ll g = gcd(abs(dx), abs(dy));
	dx /= g; dy /= g;
	cout << ((dx * cy == dy * cx) ? "Yes" : "No") << endl;
}
int main () {
	int T;
	cin >> T;
	while (T--) solve();
}