Business Computer Languages- JAVA - IT401

I. Project objective:

This project is an opportunity for you to practice your knowledge in Java. It will allow you to develop your skills of working within a team, thanks to your interaction with your colleagues in designing and creating a small program.

 

II. Project Description: 

This project is about Find the Roots of a Quadratic Equation.

The standard form of a quadratic equation is:

ax2 + bx + c = 0, where

a, b and c are real numbers and

a != 0

The term b2-4ac is known as the discriminant of a quadratic equation. It tells the nature of the roots.

1. If the discriminant is greater than 0, the roots are real and different.

 

2. If the discriminant is equal to 0, the roots are real and equal.

 

3. If the discriminant is less than 0, the equation has no real root.

 

III. Project Phase 1 questions:

In the first phase of this project, you are requested to 

1. Write an algorithm for a quadratic equation solver.

2. Implement the class Main with the main method. Declare the variables and compute the discriminant.

3. After computing the discriminant value, insert the following code after completing the missing instructions. Don’t forget to add comments.

    if (discriminant > 0) {

 

    }

    else if (discriminant == 0) {

 

    }

    else {

 

    }

Example: 

If a, b, and c are set to 3, 1 and 2 respectively, the equation has no real root.

 

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