#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int,int> P;
#define REP(i,n) for(int i=0;i<int(n);i++)



int main(void){
	cin.tie(nullptr);  ios_base::sync_with_stdio(false);
	int i,j;

	int T;
	cin >> T;

	while(T--){

		ll x1,y1,x2,y2,X1,Y1,X2,Y2;
		cin >> x1 >> y1 >> x2 >> y2 >> X1 >> Y1 >> X2 >> Y2;

		if((y2-y1)*(X2-X1)!=(x2-x1)*(Y2-Y1)){
			cout << "No" << endl;
			continue;
		}


		if((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)<(X1-X2)*(X1-X2)+(Y1-Y2)*(Y1-Y2)){
			cout << "No" << endl;
			continue;
		}



		cout << "Yes" << endl;


	}


	return 0;

}