document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1046374>Question 1046374</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x^2 + y^2 + 4x - 2y = -1<BR>\n" );
document.write( "The equation of a circle in the xy-plane is shown above. What is the radius of the circle?\r<BR>\n" );
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document.write( "A) 2<BR>\n" );
document.write( "B) 3<BR>\n" );
document.write( "C) 4<BR>\n" );
document.write( "D) 9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #661836 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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/cgi-bin/show-face.mpl?user=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=661836\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "The equation of a circle in standard form is: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2 ALIGN=MIDDLE  ALT=\"%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+y%5E2+%2B+4x+-+2y+=+-1 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+y%5E2+%2B+4x+-+2y+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >....write it in standard form\r<BR>\n" );
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document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2+%2B+4x%29+%2B+%28y%5E2+-+2y%29+=+-1 ALIGN=MIDDLE  ALT=\"%28x%5E2+%2B+4x%29+%2B+%28y%5E2+-+2y%29+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >.............complete squares\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2+%2B+4x%2Bb%5E2%29+-b%5E2%2B+%28y%5E2+-+2y%2Bb%5E2%29-b%5E2+=+-1 ALIGN=MIDDLE  ALT=\"%28x%5E2+%2B+4x%2Bb%5E2%29+-b%5E2%2B+%28y%5E2+-+2y%2Bb%5E2%29-b%5E2+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2+%2B+4x%2B2%5E2%29+-2%5E2%2B+%28y%5E2+-+2y%2B1%5E2%29-1%5E2+=+-1 ALIGN=MIDDLE  ALT=\"%28x%5E2+%2B+4x%2B2%5E2%29+-2%5E2%2B+%28y%5E2+-+2y%2B1%5E2%29-1%5E2+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B2%29%5E2+-4%2B+%28y+-+1%29%5E2-1+=+-1 ALIGN=MIDDLE  ALT=\"%28x%2B2%29%5E2+-4%2B+%28y+-+1%29%5E2-1+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B2%29%5E2+%2B+%28y+-+1%29%5E2-5+=+-1 ALIGN=MIDDLE  ALT=\"%28x%2B2%29%5E2+%2B+%28y+-+1%29%5E2-5+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B2%29%5E2+%2B+%28y+-+1%29%5E2+=+-1%2B5 ALIGN=MIDDLE  ALT=\"%28x%2B2%29%5E2+%2B+%28y+-+1%29%5E2+=+-1%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B2%29%5E2+%2B+%28y+-+1%29%5E2+=+4 ALIGN=MIDDLE  ALT=\"%28x%2B2%29%5E2+%2B+%28y+-+1%29%5E2+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B2%29%5E2+%2B+%28y+-+1%29%5E2+=+2%5E2 ALIGN=MIDDLE  ALT=\"%28x%2B2%29%5E2+%2B+%28y+-+1%29%5E2+=+2%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=2 ALIGN=MIDDLE  ALT=\"r=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so, your answer is: A) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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