public class KuadratMain {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Scanner input=new Scanner(System.in);

        Kuadrat obj=new Kuadrat();
        Kuadrat obj1=new Kuadrat();
        Kuadrat obj2=new Kuadrat();

        //obj1
        System.out.print("Masukkan a = ");
        obj.a=input.nextInt();
        System.out.print("Masukkan b = ");
        obj.b=input.nextInt();
        System.out.print("Masukkan c = ");
        obj.c=input.nextInt();

        System.out.println("Persamaan = "+obj.a+"x^2+"+obj.b+"x+"+obj.c+"");
        System.out.println("Titik Potong Dgn Sumbu X1 = "+obj.rumusx1()+    "dan X2 = "   +obj.rumusx2());
        System.out.println("Titik Potong Dgn Sumbu Y1 = "+obj.rumusy1()+    "dan Y2 = "   +obj.rumusy2());
        System.out.println("Titik Puncak x= "+obj.puncakx()+"y= "+obj.puncaky());
        System.out.println("Sumbu Simetris= "+obj.sumbusumetri());

         //obj2
        System.out.print("Masukkan a = ");
        obj1.a=input.nextInt();
        System.out.print("Masukkan b = ");
        obj1.b=input.nextInt();
        System.out.print("Masukkan c = ");
        obj1.c=input.nextInt();

        System.out.println("Persamaan = "+obj1.a+"x^2+"+obj1.b+"x+"+obj1.c+"");
        System.out.println("Titik Potong Dgn Sumbu X1 = "+obj1.rumusx1()+    "dan X2 = "   +obj1.rumusx2());
        System.out.println("Titik Potong Dgn Sumbu Y1 = "+obj1.rumusy1()+    "dan Y2 = "   +obj1.rumusy2());
        System.out.println("Titik Puncak x= "+obj1.puncakx()+"y= "+obj1.puncaky());
        System.out.println("Sumbu Simetris= "+obj1.sumbusumetri());

         //obj3
        System.out.print("Masukkan a = ");
        obj2.a=input.nextInt();
        System.out.print("Masukkan b = ");
        obj2.b=input.nextInt();
        System.out.print("Masukkan c = ");
        obj2.c=input.nextInt();

        System.out.println("Persamaan = "+obj2.a+"x^2+"+obj2.b+"x+"+obj2.c+"");
        System.out.println("Titik Potong Dgn Sumbu X1 = "+obj2.rumusx1()+    "dan X2 = "   +obj2.rumusx2());
        System.out.println("Titik Potong Dgn Sumbu Y1 = "+obj2.rumusy1()+    "dan Y2 = "   +obj2.rumusy2());
        System.out.println("Titik Puncak x= "+obj2.puncakx()+"y= "+obj2.puncaky());
        System.out.println("Sumbu Simetris= "+obj2.sumbusumetri());

    }

}

public class Kuadrat {

    double a, b, c;
    double y;

    double d(){
        return (Math.pow(b, 2)-(4*a*c));
    }

    double rumusy1(){
        return a*Math.pow(rumusx1(), 2)+b*rumusx1()+c;
    }

    double rumusy2(){
        return a*Math.pow(rumusx2(), 2)+b*rumusx2()+c;
    }

    double rumusx1() {
        return ((-b + (Math.sqrt(Math.pow(b, 2) - 4 * a * c))) / 2 * a);
    }

    double rumusx2() {
        return ((-b - (Math.sqrt(Math.pow(b, 2) - 4 * a * c))) / 2 * a);
    }

    double puncakx(){
        return -b/(2*a);
    }

    double puncaky(){
        return (d())/-4*a;
    }

    double sumbusumetri(){
        return (-b)/2*a;
    }

}