/* program akar persamaan kuadrat */
#include <stdio.h>

#include <math.h>
main()

{

float a,b,c,x,x1,x2,x3;

printf(“Persamaan Kuadrat \n");

printf("Nilai a: ");

scanf("%f", & a);

if(a==0)

printf("Bukan persamaan kuadrat\n");

else

{

printf("Nilai b: ");

scanf("%f", &b);

printf("Nilai c: "):

scanf("%f", &c);



d=b*b-4*a*c;

if (d<0) printf("Akar-akarnya imajiner \n");

else if (d==0)

{

x=-b/2*a;

printf("Memiliki satu penyeleseaian %.2f \n", x);

}

else

{

x1=(-b+sqrt(d))/2*a;

x2=
(-b-sqrt(d))/2*a;

printf("x1 = %.2f \n",x1);

printf("x2 = %.2f \n",x2);

}

}

}