```python# TODO: Import math moduledef quadratic_formula(a, b, c): # TODO: Compute the quadratic formula results in variables x1 and x2 return (x1, x2)def print_number(number, prefix_str): if float(int(number)) == number: print(f'{prefix_str}{number:.0f}') else: print(f'{prefix_str}{number:.2f}')if __name__ == "__main__": input_line = input() split_line = input_line.split(" ") a = float(split_line[0]) b = float(split_line[1]) c = float(split_line[2]) solution = quadratic_formula(a, b, c) print(f'Solutions to {a:.0f}x^2 + {b:.0f}x + {c:.0f} = 0') print_number(solution[0], 'x1 = ') print_number(solution[1], 'x2 = ')```### Explanation:**Code Overview:**1. **Import Statement (Line 1):** - A placeholder comment for importing the `math` module, which is necessary for calculating the quadratic formula.2. **Quadratic Formula Function (Lines 3-6):** - `quadratic_formula(a, b, c)`: A function intended to calculate the solutions of a quadratic equation. The implementation is missing (`x1` and `x2` are placeholders).3. **Printing Function (Lines 8-13):** - `print_number(number, prefix_str)`: This function prints a number with a specific format. If the number is an integer, it prints without decimals; otherwise, it formats to two decimal places.4. **Main Program (Lines 15-24):** - The program starts here when executed directly. - Reads input and splits it to extract `a`, `b`, and `c`. - Calls `quadratic_formula` to get solutions (currently not functional due to missing calculations). - Prints the quadratic equation and its solutions formatted using `print_number`.**Potential Errors:**- The core logic for computing the roots using the quadratic formula is not implemented. **10.10 LAB: Quadratic formula**Implement the `quadratic_formula()` function. The function takes 3 arguments, a, b, and c, and computes the two results of the quadratic formula:\[x_1 = \frac{-b + \sqrt{b^2 - 4ac}}{2a}\]\[x_2 = \frac{-b - \sqrt{b^2 - 4ac}}{2a}\]The `quadratic_formula()` function returns the tuple \((x1, x2)\). For example, when a = 1, b = -5, and c = 6, `quadratic_formula()` returns \((3, 2)\).Code provided in `main.py` reads a single input line containing values for a, b, and c, separated by spaces. Each input is converted to a float and passed to the `quadratic_formula()` function.**Example:**If the input is:```2 -3 -77```the output is:```Solutions to 2x^2 + -3x + -77 = 0x1 = 7x2 = -5.50```

The objective of the question is to create a Python program that calculates the solutions to a…

Answered: 10.10 LAB: Quadratic formula Implement…

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

Problem 1PE

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6.23 LAB: Flip a coin Define a function named CoinFlip that returns "Heads" or "Tails" according to a random value 1 or 0. Assume the value 1 represents "Heads" and 0 represents "Tails". Then, write a main program that reads the desired number of coin flips as an input, calls function CoinFlip() repeatedly according to the number of coin flips, and outputs the results. Assume the input is a value greater than 0. Hint: Use the modulo operator (%) to limit the random integers to 0 and 1. Ex: If the random seed value is 2 and the input is: 3 the output is: Tails Heads Tails Note: For testing purposes, a pseudo-random number generator with a fixed seed value is used in the program. The program uses a seed value of 2 during development, but when submitted, a different seed value may be used for each test case. The program must define and call the following function:void CoinFlip(char* decisionString) #include <stdio.h>#include <stdlib.h>#include <string.h> /* Define…
14.19 LAB: How many dice rolls? Given a GVDie object and an integer that represents the total sum desired as parameters, complete function roll_total() that returns the number of rolls needed to achieve at least the total sum. Note: For testing purposes, the GVDie object is created in the main() function using a pseudo-random number generator with a fixed seed value. The program uses a seed value of 15 during development, but when submitted, a different seed value will be used for each test case. Ex: If the GVDie object is created with a seed value of 15 and the input of the program is: 20 the output is: Number of rolls to reach at least 20: 8 462500.3140334.qx3zqy7
10.20 LAB: Multiples of ten in a list Write a program that reads a list of integers, and outputs whether the list contains all multiples of 10, no multiples of 10, or mixed values. Define a function named is_list_mult10 that takes a list as a parameter, and returns a boolean that represents whether the list contains all multiples of ten. Define a function named is_list_no_mult10 that takes a list as a parameter and returns a boolean that represents whether the list contains no multiples of ten. Then, write a main program that takes an integer, representing the size of the list, followed by the list values. The first integer is not in the list. Ex: If the input is: 5 20 40 60 80 100 the output is: all multiples of 10 Ex: If the input is: 5 11 -32 53 -74 95 the output is: no multiples of 10 Ex: If the input is: 5 10 25 30 40 55 the output is: mixed values The program must define and call the following two functions. is_list_mult10() returns true if all integers in the list are…
11.11 LAB: Number pattern Write a recursive function called PrintNumPattern() to output the following number pattern. Given a positive integer as input (Ex: 12), subtract another positive integer (Ex: 3) continually until 0 or a negative value is reached, and then continually add the second integer until the first integer is again reached. For this lab, do not end output with a newline. Ex. If the input is: 12 3 the output is: 12 9 6 3 0 3 6 9 12 main.cpp: #include using namespace std; // TODO: Write recursive PrintNumPattern() function int main(int argc, char* argv[]) { int num1; int num2; cin >> num1; cin >> num2; PrintNumPattern(num1, num2); return 0; }
4.6.1: Recursive function: Writing the base case. Add an if branch to complete double_pennies()'s base case.Sample output with inputs: 1 10Number of pennies after 10 days: 1024 Note: If the submitted code has an infinite loop, the system will stop running the code after a few seconds, and report "Program end never reached." The system doesn't print the test case that caused the reported message # Returns number of pennies if pennies are doubled num_days timesdef double_pennies(num_pennies, num_days):total_pennies = 0 ''' Your solution goes here ''' else:total_pennies = double_pennies((num_pennies * 2), (num_days - 1)) return total_pennies # Program computes pennies if you have 1 penny today,# 2 pennies after one day, 4 after two days, and so onstarting_pennies = int(input())user_days = int(input()) print('Number of pennies after', user_days, 'days: ', end="")print(double_pennies(starting_pennies, user_days))
5.10 LAB: User-Defined Functions: Step counter CORAL LANGUAGE PLEASE A pedometer treats walking 2,000 steps as walking 1 mile. Define a function named StepsToMiles that takes an integer as a parameter, representing the number of steps, and returns a float that represents the number of miles walked. Then, write a main program that reads the number of steps as an input, calls function StepsToMiles() with the input as an argument, and outputs the miles walked. Output the result with four digits after the decimal point, which can be achieved as follows:Put result to output with 4 decimal places If the input of the program is: 5345 the function returns and the output of the program is: 2.6725 Your program should define and call a function:Function StepsToMiles(integer userSteps) returns float numMiles
4 double KiloToPounds (double kilos) { 5 // This statement intentionally has an error. 6 return (kilos / 2.204); } 8 9 int main() { 10 11 12 13 14 15 16 17 18 197 double kilos; double pounds; cin >> kilos; pounds = KiloToPounds (kilos); cout << pounds << " lbs" << endl; return 0;
5.20 LAB: Adjust values in a list by normalizing When analyzing data sets, such as data for human heights or for human weights, a common step is to adjust the data. This adjustment can be done by normalizing to values between 0 and 1, or throwing away outliers. For this program, adjust the values by dividing all values by the largest value. The input begins with an integer indicating the number of floating-point values that follow. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print('{:.2f}'.format(your_value)) Ex: If the input is: 5 30.0 50.0 10.0 100.0 65.0 the output is: 0.30 0.50 0.10 1.00 0.65 The 5 indicates that there are five floating-point values in the list, namely 30.0, 50.0, 10.0, 100.0, and 65.0. 100.0 is the largest value in the list, so each value is divided by 100.0.
C langauge
5.6 Mat

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