Quadratic Equation Roots
Finds the roots of a quadratic equation and handles real, equal, and imaginary roots.
# include<stdio.h>
# include<math.h>
int main ()
{
printf("INSTRUCTIONS: Enter coefficients a, b, and c when prompted.\n");
float a,b,c,r1,r2,d;
printf ("Enter the values of a b c: ");
scanf (" %f %f %f", &a, &b, &c);
d= b*b - 4*a*c;
if (d>0)
{
r1 = (-b+sqrt(d)) / (2*a);
r2 = (-b-sqrt(d)) / (2*a);
printf ("The real roots = %f %f", r1, r2);
}
else if (d==0)
{
r1 = -b/(2*a);
r2 = -b/(2*a);
printf ("Roots are equal =%f %f", r1, r2);
}
else
printf("Roots are imaginary");
return 0;
}Quadratic Equation Roots — Free C Code Example
Finds the roots of a quadratic equation and handles real, equal, and imaginary roots. This free code example is available in C and can be copied and run immediately — no account or signup required. Use the language tabs above to switch between implementations.
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Frequently Asked Questions
What does this program do?
Finds the roots of a quadratic equation and handles real, equal, and imaginary roots.
Which languages is it available in?
Available in C. Switch between implementations using the tabs at the top of the code viewer.
How do I run this code?
Copy the code, save it with the right file extension (.c, .java, .cpp, or .py), then compile or run it with your installed compiler or interpreter (GCC, JDK, G++, Python 3).
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