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verdell32 · 11-29-2004, 07:18 AM

I just had a question before I get started with my third from the last project; I wanted to know are there any threads that could help me with this project?

CSIS 121 Introduction to Computer Science

Project QUAD

Write a program that calculates the two real roots of a quadratic equation of the form:

Ax2 + Bx + C = 0

Where:
A is the coefficient of the squared term,
B is the coefficient of the linear term and
C is the coefficient of the constant term.

The quadratic formula can be used to calculate the two real roots. It follows:
_________
Root = -b ± Ö b2 – 4ac

_____________

2a
Note: the O with the periods over it is a symbol that looks like a check mark

Some sets of data for A, B and C may cause runtime errors.

The program should deal with the fact that we cannot take the square root of a negative number and we can not divide by 0.

A first algorithm for the program:

Get coefficientA, coefficientB and coefficientC from the user

If coefficientA == 0 then

Display “Coefficient of A must not be 0. This is not a quadratic equation.”

else

Calculate the discriminant

If discriminant < 0 then

Display the message “This quadratic does not have real roots,” and end

else

Calculate Root1

Calculate Root2

Display Root1

Display Root2

endif

endif
To turn in your assignment, leave a copy of your work on your login drive(M:\) in a folder called QUAD. I need the source code file QUAD.CPP and the executable file called QUAD.EXE.

11-29-2004, 07:18 AM	#1 (permalink)
verdell32 Registered User Join Date: Oct 2004 Posts: 35	Quad project suggestion I just had a question before I get started with my third from the last project; I wanted to know are there any threads that could help me with this project? CSIS 121 Introduction to Computer Science Project QUAD Write a program that calculates the two real roots of a quadratic equation of the form: Ax2 + Bx + C = 0 Where: A is the coefficient of the squared term, B is the coefficient of the linear term and C is the coefficient of the constant term. The quadratic formula can be used to calculate the two real roots. It follows: _________ Root = -b ± Ö b2 – 4ac _____________ 2a Note: the O with the periods over it is a symbol that looks like a check mark Some sets of data for A, B and C may cause runtime errors. The program should deal with the fact that we cannot take the square root of a negative number and we can not divide by 0. A first algorithm for the program: Get coefficientA, coefficientB and coefficientC from the user If coefficientA == 0 then Display “Coefficient of A must not be 0. This is not a quadratic equation.” else Calculate the discriminant If discriminant < 0 then Display the message “This quadratic does not have real roots,” and end else Calculate Root1 Calculate Root2 Display Root1 Display Root2 endif endif To turn in your assignment, leave a copy of your work on your login drive(M:\) in a folder called QUAD. I need the source code file QUAD.CPP and the executable file called QUAD.EXE.