<html>
<head>
<title>Persamaan
Kuadrat</title>
</head>
<body>
<script language = "JavaScript">
function det(a,b,c)
{
var d = (b*b)-(4*a*c);
return(d);
}
var a =
parseFloat(prompt("Masukan Nilai A = "));
var b =
parseFloat(prompt("Masukan Nilai B = "));
var c =
parseFloat(prompt("Masukan Nilai C = "));
var deter = det(a,b,c);
document.write("Nilai
Determinannya = " +deter+"<br>");
document.write("<br>");
if (deter>0)
{
var x1 = (-b -
Math.sqrt(deter))/(2*a);
var x2 = (-b +
Math.sqrt(deter))/(2*a);
document.write("Nilai
x1 = " +x1+ "<br>");
document.write("Nilai
x2 = " +x2+ "<br>");
document.write("<br>");
document.write("Akar-akarnya Berbeda");
} else
if (deter==0)
{
var x1 = (-b -
Math.sqrt(deter))/(2*a);
var x2 = (-b +
Math.sqrt(deter))/(2*a);
document.write("Nilai
x1 = " +x1+ "<br>");
document.write("Nilai
x2 = " +x2+ "<br>");
document.write("<br>");
document.write("Akar-akarnya Sama");
} else
if (deter<0)
{
document.write("Akar-akarnya Imaginer");
}else {
alert("Nilai
yang Anda Masukan Tidak Tepat. Harus Nomer..!!!");
}
</script>
</body>
</html>
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