Done with assignment 5

Java-Assignment-005.iml

@@ -5,6 +5,7 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>

src/Quadratic.java

@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+
+public class Quadratic {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        //prompt for input
+        System.out.println("Enter the values of a, b, and c: ");
+        System.out.println("a: ");
+        double a = scanner.nextDouble();
+        System.out.println("b: ");
+        double b = scanner.nextDouble();
+        System.out.println("c:");
+        double c = scanner.nextDouble();
+
+        //calculate b2 - 4ac (the discriminant)
+        double discriminant = b * b - 4 * a * c;
+
+        if (discriminant > 0) { //calculates two roots
+            double root1 = (-b + Math.sqrt(discriminant)) / (2 * a);
+            double root2 = (-b - Math.sqrt(discriminant)) / (2 * a);
+
+            System.out.println("the roots are: " + root1 + " and " + root2);
+        } else if (discriminant == 0) { // calculates a single root
+            double root = -b / (2 * a);
+            System.out.println("the roots are: " + root);
+         //invalid input leading to negative discriminant
+        } else {
+            System.out.println("the discriminant is negative so the equation has no real roots");
+
+
+
+        }
+    }
+    }
+