chapter5

DeitelC/Chapter5/rootsOfQuadratic.c

@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <math.h>
+
+void rootsOfQuad(int, int, int);
+
+int main(void) {
+	int a, b, c = 0;
+	puts("Enter coefficients!");
+	scanf("%d%d%d", &a, &b, &c);
+	rootsOfQuad(a, b, c);
+
+	return 0;
+}
+
+
+void rootsOfQuad(int a, int b, int c) {
+	int discriminant = (b * b) - 4 * a * c;
+
+	if(discriminant) {
+		int x1 = (-b - sqrt(discriminant))/2 * a;
+		int x2 = (-b + sqrt(discriminant))/2 * a;
+		printf("%s%d%d\n", "x1 and x2 are: ", x1, x2);
+	} else {
+		puts("Not reel!");
+	}
+}