document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1028352>Question 1028352</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x^2 + y^2 -2x +2y -18 = 0<BR>\n" );
document.write( "I need to find the center and radius of the circle  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #643421 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=643421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Complete the Squares and put into standard form; and read the center (h,k) and radius r directly from the equation.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-2x%2By%5E2%2B2y=18 ALIGN=MIDDLE  ALT=\"x%5E2-2x%2By%5E2%2B2y=18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-2x%2B1%2By%5E2%2B2y%2B1=18%2B1%2B1 ALIGN=MIDDLE  ALT=\"x%5E2-2x%2B1%2By%5E2%2B2y%2B1=18%2B1%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----*<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%5E2%2B%28y%2B1%29%5E2=20 ALIGN=MIDDLE  ALT=\"%28x-1%29%5E2%2B%28y%2B1%29%5E2=20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Radius size is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Asqrt%285%29 ALIGN=MIDDLE  ALT=\"2%2Asqrt%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and center of the circle is (1,-1).\r<BR>\n" );
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document.write( "*  Why this step was done is shown here:  <a  rel=nofollow HREF=\"https://www.algebra.com/my/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev\">A lesson which includes how to Complete The Square</a> </SPAN>\n" );
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