6. Complete the method shown below by filling in the blank such that the method would generate and return the value of the mathematical expression b² - 4ac. The method should not print anything to the output. (2 points) public double calculate (double a, double b, double c) { } double result = return result;

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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**Code Completion Exercise**

**Problem 6:**

Complete the method shown below by filling in the blank such that the method would generate and return the value of the mathematical expression \( b^2 - 4ac \). The method should not print anything to the output. (2 points)

```java
public double calculate(double a, double b, double c) {
    double result = ________________________________;
    return result;
}
```

**Explanation:**

This code snippet asks you to fill in the calculation for the expression \( b^2 - 4ac \), a common expression in mathematics related to solving quadratic equations. The formula represents the discriminant of a quadratic equation \( ax^2 + bx + c = 0 \).

To complete this, the expression should be `(b * b) - (4 * a * c)` or `Math.pow(b, 2) - (4 * a * c)` depending on how you want to represent squaring \( b \). The result should then be stored in the variable `result`, which is returned by the method.
Transcribed Image Text:**Code Completion Exercise** **Problem 6:** Complete the method shown below by filling in the blank such that the method would generate and return the value of the mathematical expression \( b^2 - 4ac \). The method should not print anything to the output. (2 points) ```java public double calculate(double a, double b, double c) { double result = ________________________________; return result; } ``` **Explanation:** This code snippet asks you to fill in the calculation for the expression \( b^2 - 4ac \), a common expression in mathematics related to solving quadratic equations. The formula represents the discriminant of a quadratic equation \( ax^2 + bx + c = 0 \). To complete this, the expression should be `(b * b) - (4 * a * c)` or `Math.pow(b, 2) - (4 * a * c)` depending on how you want to represent squaring \( b \). The result should then be stored in the variable `result`, which is returned by the method.
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