document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=145570>Question 145570</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \"plot all the complex numbers in the complex plane whose absolute value is 4. \"  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #106272 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=106272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> |a+bi| = sqrt(a^2+b^2)<BR>\n" );
document.write( "If sqrt(a^2+b^2) = 4<BR>\n" );
document.write( "then a^2+b^2 = 16<BR>\n" );
document.write( "then {(a,b)} are all the points on a circle of radius 4 with center at the origin.<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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