(Algebra: solve quadratic equations) Write a function for

Authors:

Y Daniel Lang

Chapter:

0.lists

Exercise:

Programming Excercises

Question:23 | ISBN:978013274719 | Edition: 6

Question

(Algebra: solve quadratic equations) Write a function for solving a quadratic equation using the following header:
def solveQuadratic(eqn, roots):
The coefficients of a quadratic equation $ax^{2}+bx+c=0$ are passed to the list eqn and the noncomplex roots are stored in roots. The function returns the number of roots. See Programming Exercise 4.1 on how to solve a quadratic equation.
Write a program that prompts the user to enter values for a, b, and c and displays the number of roots and all noncomplex roots.