document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=619274>Question 619274</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (x)^(2)+8x+(4y)^(2)-8y=80\r<BR>\n" );
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document.write( "Write the equation in standard from and then identify the graph of this equation and important characteristics of the graph, such as center, orientation, a,b,c.\r<BR>\n" );
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document.write( "*I am just so lost....* </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #389507 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=389507\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  (x)^(2)+8x+(4y)^(2)-8y=80 <BR>\n" );
document.write( "Write the equation in standard from and then identify the graph of this equation and important characteristics of the graph, such as center, orientation, a,b,c. <BR>\n" );
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document.write( "Complete the square:<BR>\n" );
document.write( "x^2+8x+? + 4(y^2-2y+#) = 80+? + 4#<BR>\n" );
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document.write( "x^2 + 8x + 16 + 4(y^2 - 2y + 1) = 80 + 16 + 4<BR>\n" );
document.write( "(x+4)^2 + 4(y-1)^2 = 100<BR>\n" );
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document.write( "(x+4)^2/100 + (y-1)^2/25 = 1<BR>\n" );
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document.write( "center: (-4,1)<BR>\n" );
document.write( "orientation : wider than high<BR>\n" );
document.write( "a = 10 ; b = 5 ; c = sqrt[100-25] = 5*sqrt(3)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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