document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=397952>Question 397952</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Decide whether or not this equation has a circle as its graph. If it does, give the center and the radius.<BR>\n" );
document.write( "8x^2+40x+8y^2+24y-60=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #281964 by </B><A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><B>Tatiana_Stebko(1539)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><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=Tatiana_Stebko><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=281964\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (8x^2+40x)+(8y^2+24y)-60=0<BR>\n" );
document.write( "8(x^2+5x)+8(y^2+3y)-60=0<BR>\n" );
document.write( "8((x^2+2*(5/2)x+(5/2)^2)-(5/2)^2)+8((y^2+2*(3/2)y+(3/2)^2)-(3/2)^2)-60=0(/8)<BR>\n" );
document.write( "(x+(5/2))^2-(25/4)+(y+(3/2))^2-(9/4)-7.5=0<BR>\n" );
document.write( "(x+2.5)^2+(y+1.5))^2=16<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-a%29%5E2%2B%28y-b%29%5E2=R%5E2 ALIGN=MIDDLE  ALT=\"%28x-a%29%5E2%2B%28y-b%29%5E2=R%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > has a circle as a graph with center in (a;b) and radius R<BR>\n" );
document.write( "so (x+2.5)^2+(y+1.5)^2=16 has a circle as a graph with center in (-2.5;-1.5) and radius R=4<BR>\n" );
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