document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1065132>Question 1065132</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation of the circle which passes through points (2,-2) and (3,4) and whose centre lies on the line x + y = 7  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #680258 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=680258\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the equation of the circle which passes through points (2,-2) and (3,4) and whose centre lies on the line x + y = 7 <BR>\n" );
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document.write( "Find the equation of the line thru the 2 points.<BR>\n" );
document.write( "The center of the circle in on the perpendicular bisector (PB) of that line.<BR>\n" );
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document.write( "Find the intersection of the PB and the line x + y = 7.<BR>\n" );
document.write( "That's the center (h,k).<BR>\n" );
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document.write( "The radius r is the distance from the center to either point.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2 ALIGN=MIDDLE  ALT=\"%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the circle.<BR>\n" );
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