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<!-- QuadraticEquation.php -->
<CENTER>
<h1>Quadratic Equation Results</h1>
<hr>
<?php
$a = $_POST["a"];
$b = $_POST["b"];
$c = $_POST["c"];
$det = ($b * $b) - (4 * $a * $c);
//DEBUG
// print("det: $det");
if ($det == 0)
{
$root = number_format((($b * -1) + sqrt($det)) / (2 * $a), 2);
print("One real root: $root");
}
else if ($det > 0)
{
$r1 = number_format((($b * -1) + sqrt($det)) / (2 * $a), 2);
$r2 = number_format((($b * -1) - sqrt($det)) / (2 * $a), 2);
print("Two real roots: $r1, $r2");
}
else
print("No real roots.")
?>
<p>
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</CENTER>