document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=903826>Question 903826</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solving Quadratic Equations Using Square Root/Factoring\r<BR>\n" );
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document.write( "The aspect ratio of a TV screen is the ratio of the screen’s width to its height. For HDTVs, the aspect ratio is 16:9. What is the width and height of a 42 inch screen TV? (42 inches refers to the length of the screen’s diagonal.) HINT: Use the Pythagorean Theorem. Round your answers to the nearest hundredth. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #548319 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=548319\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 16:9 means\r<BR>\n" );
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document.write( "width = 16x<BR>\n" );
document.write( "height = 9x\r<BR>\n" );
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document.write( "for some number x\r<BR>\n" );
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document.write( "a^2 + b^2 = c^2\r<BR>\n" );
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document.write( "(16x)^2 + (9x)^2 = 42^2\r<BR>\n" );
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document.write( "256x^2 + 81x^2 = 1764\r<BR>\n" );
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document.write( "337x^2 = 1764\r<BR>\n" );
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document.write( "x^2 = 1764/337\r<BR>\n" );
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document.write( "x^2 = 5.23442136498517 (this is approximate)\r<BR>\n" );
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document.write( "x = sqrt(5.23442136498517) (this is approximate)\r<BR>\n" );
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document.write( "x = 2.28788578495194 (this is approximate)\r<BR>\n" );
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document.write( "Width: 16x = 16*2.28788578495194 = 36.606172559231\r<BR>\n" );
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document.write( "Height: 9x = 9*2.28788578495194 = 20.5909720645674\r<BR>\n" );
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document.write( "Summary:\r<BR>\n" );
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document.write( "Width: 36.606 inches\r<BR>\n" );
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document.write( "Height: 20.591 inches\r<BR>\n" );
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document.write( "Answers are approximate. I rounded the final values to 3 decimal places<BR>\n" );
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