ISrael

// Read the README File Carefully, then write your Algebra Tutor Program Here.
import java.util.Scanner;
import java.util.Random;


class AlgebraTutor {
   static Scanner user_input = new Scanner(System.in);
    public static void main(String[]args) {
    menu();
    System.out.print("Enter Your Selection:");
    int user_answer =  user_input.nextInt();

    while (user_answer !=4) {
    if (user_answer==1) {
    solveForY();
    menu();
    user_answer =  user_input.nextInt();

    }if (user_answer==2) {
    solveForM();
    menu();
    user_answer =  user_input.nextInt();

    } if  (user_answer==3){
    solveForB();
    menu();
    user_answer =  user_input.nextInt();

    }else {
     System.out.println("You entered an invalid selection!");
     menu();
     user_answer =  user_input.nextInt();
    }
    }

    }


    public static void solveForY() {

       Random rand = new Random();
       int min=-100;
       int max=100;
       int rand1 = rand.nextInt((max-min)+1)+min;
       int rand2 = rand.nextInt((max-min)+1)+min;
       int rand3 = rand.nextInt((max-min)+1)+min;

       int m=rand1;
       System.out.println("m="+ m);
       int x=rand2;
       System.out.println("x="+ x);
       int b=rand3;
       System.out.println("b="+ b);
       int y=m*x+b;
       System.out.print("What is the value of Y ?:");
       int y_answer =  user_input.nextInt();

       if (y_answer==y) {
          System.out.println("Correct!");

       }else {
            System.out.println("Sorry, that's wrong. The correct answer is:" +y);
       }
    }


     public static void solveForM() {
       Random rand = new Random();
       int min=-100;
       int max=100;
       double rand1 = rand.nextInt((max-min)+1)+min;
       double rand2 = rand.nextInt((max-min)+1)+min;
       double rand3 = rand.nextInt((max-min)+1)+min;

       double y=rand1;
       System.out.println("y="+ y);
       double x=rand2;
       System.out.println("x="+ x);
       double b=rand3;
       System.out.println("b="+ b);
       double a=(y/x);
       double c= (b/x);
       double m=(a-(c));
       double rounded=Math.round(m*100)/100.0;

       System.out.print("What is the value of M ?:");
       double m_answer =  user_input.nextFloat();

       if (rounded==m_answer) {
          System.out.println("Correct!");
       }else {
            System.out.println("Sorry, that's wrong. The correct answer is:" + rounded);
       }
    }

     public static void solveForB() {
       Random rand = new Random();
      int min=-100;
       int max=100;
       int rand1 = rand.nextInt((max-min)+1)+min;
       int rand2 = rand.nextInt((max-min)+1)+min;
       int rand3 = rand.nextInt((max-min)+1)+min;


       int y=rand1;
       System.out.println("y="+ y);
       int m=rand2;
       System.out.println("m="+ m);
       int x=rand3;
       System.out.println("x="+ x);
       double b=y-(m*x);
       System.out.print("What is the value of b ?:");
       int b_answer =  user_input.nextInt();

       if (b_answer==b) {
          System.out.println("Correct!");
       }else {
            System.out.println("Sorry, that's wrong. The correct answer is:" +b);
       }
    }

    public static void menu() {
        System.out.println("1) Solve for Y");
        System.out.println("2) Solve for M");
        System.out.println("3) Solve for B");
        System.out.println("4) Quit Program");
        System.out.print("Enter Your Selection:");

    }




}