document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=104328>Question 104328</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x=sqrt(4-y^2)     ---I have to get \"y\" by itself? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #75907 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=75907\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=sqrt(4-y^2) <BR>\n" );
document.write( "Square both sides to get:<BR>\n" );
document.write( "x^2 = 4-y^2<BR>\n" );
document.write( "Rearrange:<BR>\n" );
document.write( "y^2 = 4-x^2<BR>\n" );
document.write( "Take the square root:<BR>\n" );
document.write( "y = sqrt(4-x^2)<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );