document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=196285>Question 196285</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have two questions that I have been toying with and they are driving me nuts.  Can someone help please\r<BR>\n" );
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document.write( "1) a 10 inch tv has a width of 8 inches.  WHat is its height?\r<BR>\n" );
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document.write( "2)Find a polynomial for the perimeter and for area.( shape is a rectangle)<BR>\n" );
document.write( "top of the rectangle is x+6 the side is just the letter x.\r<BR>\n" );
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document.write( "Thanks in advance  <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #147130 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=147130\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Well, I hope I'm in time to rescue your sanity. (lol)\r<BR>\n" );
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document.write( "1) The size of a TV is designated by the length of the screen's diagonal.<BR>\n" );
document.write( "A 10\" TV then has a diagonal of 10\".<BR>\n" );
document.write( "If the width of a 10\" TV is 8\", its height can be found by using the Pythagorean theorem: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2+=+a%5E2%2Bb%5E2 ALIGN=MIDDLE  ALT=\"c%5E2+=+a%5E2%2Bb%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and in this case, c (the diagonal) is 10\" and a is 8\", so b would be the height of the TV.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2+=+a%5E2%2Bb%5E2 ALIGN=MIDDLE  ALT=\"c%5E2+=+a%5E2%2Bb%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute c = 10, a = 8, and solve for b, the height.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%5E2+=+8%5E2+%2B+b%5E2 ALIGN=MIDDLE  ALT=\"10%5E2+=+8%5E2+%2B+b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100+=+64%2Bb%5E2 ALIGN=MIDDLE  ALT=\"100+=+64%2Bb%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 64 from both sides of the equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=36+=+b%5E2 ALIGN=MIDDLE  ALT=\"36+=+b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Take the square root of both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+6 ALIGN=MIDDLE  ALT=\"b+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+-6 ALIGN=MIDDLE  ALT=\"b+=+-6\"   DISABLED_style= \"max-width:90%; height:auto;\" > Discard the negative solution as the height can only be a positive value.<BR>\n" );
document.write( "The height of the TV is 6\"<BR>\n" );
document.write( "2) Start with the formula for the perimeter of a rectangle: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+2%28L%2BW%29 ALIGN=MIDDLE  ALT=\"A+=+2%28L%2BW%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > where L = length and W = width.In this problem, L = x+6 and W = x, so...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%28%28x%2B6%29%2B%28x%29%29 ALIGN=MIDDLE  ALT=\"P+=+2%28%28x%2B6%29%2B%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Expand.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%282x%2B6%29 ALIGN=MIDDLE  ALT=\"P+=+2%282x%2B6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute the 2.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28P+=+4x%2B12%29 ALIGN=MIDDLE  ALT=\"highlight%28P+=+4x%2B12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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