#include <iostream>
#include <cmath>

using namespace std;

int main()
{
    int n;
    double a, b, c, d, e, f, x1, x2;
    cin >> n;

    for (int i = 0; i != n; ++i) {
        cin >> a >> b >> c >> d >> e >> f;
        if ((b * b - 3 * a * c) >= 0)
        {
            x1 = (b * b - sqrt(b * b - 3 * a * c)) / 3 / a;
            x2 = (b * b + sqrt(b * b - 3 * a * c)) / 3 / a;
            if ((max(e,f)>x1 && x1>min(e,f)) ^ (max(e,f)>x2 && x2>min(e,f)))
            {
                if
            }
        }
        else
        {
            // lalka

        }



    }

    return 0;
}