#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using i64 = long long;
#define var auto

int main() {
    cin.tie(0)->sync_with_stdio(false);
    int t;
    cin >> t;
    while (t --> 0) {
        ll x1, y1, x2, y2, gx1, gy1, gx2, gy2;
        cin >> x1 >> y1 >> x2 >> y2 >> gx1 >> gy1 >> gx2 >> gy2;
        x1 -= x2;
        y1 -= y2;
        gx1 -= gx2;
        gy1 -= gy2;
        bool ok = x1 * gy1 == y1 * gx1 && abs(x1) > abs(gx1);
        cout << (ok ? "Yes" : "No") << endl;
    }
}