Ask the user for the coefficients a, b and c of a quadratic equation ax + bx +c = 0. Implement solving for the roots of the quadratic equation. If there is only one root, print it. If the roots are complex, print an error message. You are required to: • Write a function to determine and return the determinant b - 4ac from the coefficients. (Hint: This function will make it easy for you to tell how many roo the equation has...) --b+Ÿ&-4ac 2a • Write a function to determine and return the first root from the coefficients. • Write a function to determine and return the second root from the coefficients. 2a It's up to you how to put together the conditions and output from there.
Ask the user for the coefficients a, b and c of a quadratic equation ax + bx +c = 0. Implement solving for the roots of the quadratic equation. If there is only one root, print it. If the roots are complex, print an error message. You are required to: • Write a function to determine and return the determinant b - 4ac from the coefficients. (Hint: This function will make it easy for you to tell how many roo the equation has...) --b+Ÿ&-4ac 2a • Write a function to determine and return the first root from the coefficients. • Write a function to determine and return the second root from the coefficients. 2a It's up to you how to put together the conditions and output from there.
Computer Networking: A Top-Down Approach (7th Edition)
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Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
I attached the code & output. I am not getting -0.5 and -2.0 when a= 2.0, b= 5.0, and c=2.0.
Could you show me step by step how to solve this. Please read the question carefully. Thanks!
Transcribed Image Text:Code screenshot
# funciton to calculate and return the determinant
| 2 def determinant(a, b, s):
3
return b ** 2 - 4 * a * c
5 # function to calculate and return the first root
6 def first_root(a, b, c):
return (-b + (determinant(a, b, c)**(1/2))) / (2 * a)
9 # function to calculate and return the second root
10 def second_root(a, b, c):
11
return (-b - (determinant(a, b, c)**(1/2))) / (2 * a)
13 # get coefficients from user and convert them to float
14 a = float(input("Enter coefficient a: "))
15 b = float(input("Enter coefficient b: "))
16 c = float(input("Enter coefficient c: "))
18 # calculate determinant
|19 D = determinant(a, b, c)
21 # if determinant is zero, print the first root
22 if D = 0:
print("That quadratic has one root: ", first_root(a, b, c))
24 # if determinant is positive, print both roots
25 elif D > 0:
26
27 # otherwise, print message
28 else:
29
print("That quadratic has two roots: ", first_root(a, b, c), "and", second_root(a, b, c))
print("Sorry, that quadratic has complex roots.")
RMAL quad.py
Sample output
(base) ~/chegg/src/526 $ python quad.py
Enter coefficient a: 2.0
Enter coefficient b: 4.0
Enter coefficient c: 2.0
That quadratic has one root: -1.0
(base) ~/chegg/src/526 $ python quad.py
Enter coefficient a: 2.0
Enter coefficient b: 3.0
Enter coefficient c: 2.0
Sorry, that quadratic has complex roots.
|(base) ~/chegg/src/526 $ python quad.py
Enter coefficient a: 2.0
Enter coefficient b: 5.0
Enter coefficient c: 2.0
That quadratic has two roots: -0.5 and -2.0
(base) ~/chegg/src/526 $ python quad.py
Enter coefficient a: 3.0
Enter coefficient b: 8.0
Enter coefficient c: 2.0
That quadratic has two roots:
-0.2792407799438735 and -2.3874258867227933
Transcribed Image Text:Ask the user for the coefficients a, b and c of a quadratic equation ax + bx + c = 0.
-bt-4ac
Implement solving for the roots
of the quadratic equation. If there is only one root, print it. If the roots are complex, print an error message.
2a
You are required to:
• Write a function to determine and return the determinant b² – 4ac from the coefficients. (Hint: This function will make it easy for you to tell how many roots
the equation has...)
-b+B-4ac
• Write a function to determine and return the first root
from the coefficients.
2a
-b-V-4ac
2a
• Write a function to determine and return the second root
from the coefficients.
It's up to you how to put together the conditions and output from there.
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