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Unformatted text preview: <?xml version="1.0" encoding="UTF-8" standalone="yes" ?> <!-- New Perspectives on XML Tutorial 2 Case Problem 2 MathWeb: The Quadratic Formula Author: Manon Huang Date: 03/03/10 Filename: quad.xml Supporting Files: back.jpg, logo.jpg, math.css, side.jpg--> <?xml-stylesheet type="text/css" href="math.css" ?> < <html xmlns="http://www.w3.org/1999/xhtml" xmlns:m="http://www.w3.org/1998/Math/MathML"> x <head> <title>Solving the Quadratic Equations</title> <link rel="stylesheet" href="math.css" type="text/css" /> </head> < <body> <div id="logo"><img src="logo.jpg" alt="MathWeb" /></div> <div id="links"><img src="side.jpg" alt="" /></div> < <div id="main"> <h1>Solving the Quadratic Equation</h1> <p>A <b>quadratic equation</b> is a polynomial equation of the second degree, having the general form:</p> <p id="eq1"> <m:mrow xmlns:m="http://www.w3.org/1998/Math/MathML"> <m:mn>a</m:mn> <m:msup> <m:mi>x</m:mi> <m:mn>2</m:mn> </m:msup> <m:mo>+</m:mo> <m:mrow> <m:mn>b</m:mn> <m:mi>x</m:mi> </m:mrow> <m:mo>+</m:mo> <m:mn>c</m:mn> </m:mrow> <m:mo>=</m:mo> <m:mn>0</m:mn> </p> <p>The letters a, b and c are called coefficients: a is the coefficient of...
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