document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=186513>Question 186513</A>: <I><SPAN STYLE=\"word-break: break-all;\"> xsquared+4x+ysquared=9 Find all integers ordered pairs that satisfy the equation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139793 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=139793\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use this tool --> http://72.3.253.76:8080/webMathematica3/quickmath/page.jsp?s1=graphs&s2=equations&s3=basic<BR>\n" );
document.write( "You can see you are working on a circle. The only valeus of x to try are -5, -4, -3, -2 , -1, 0 and 1. <BR>\n" );
document.write( "Looking at the plot, you can see x=0 is in. So find the y 3 and -3.<BR>\n" );
document.write( "Looking at the plot, the only other x that looks promising is x = -4. That too yields y at 3 and -3\r<BR>\n" );
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document.write( "Of course, you could just plug in each value and use tiral and error too.<BR>\n" );
document.write( "(0,3)(0,-3)(-4,3)(-4-3) </SPAN>\n" );
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