-b - VB - 4ac 2a -b + Vb – 4ac and n 2a

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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The two roots of a quadratic equation
ax2 + bx + c = 0 can be obtained using the following formula:

b2 - 4ac is called the discriminant of the quadratic equation. If it is positive, the
equation has two real roots. If it is zero, the equation has one root. If it is negative,
the equation has no real roots.
Write a program that prompts the user to enter values for a, b, and c and displays
the result based on the discriminant. If the discriminant is positive, display two
roots. If the discriminant is 0, display one root. Otherwise, display “The equation
has no real roots.”
Note you can use Math.pow(x, 0.5) to compute √x. Here are some sample
runs:

 

Enter a, b, c: 1.0 3 1 ↵Enter
The equation has two roots -0.381966 and -2.61803

-b - VB - 4ac
2a
-b + Vb – 4ac
and n
2a
Transcribed Image Text:-b - VB - 4ac 2a -b + Vb – 4ac and n 2a
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