document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=336764>Question 336764</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am working on finding the equation of a circle, but it's kind of confusing. Can you explain it to me?\r<BR>\n" );
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document.write( "My current problem is the center of the circle is (6,-5) and it passes through (1,7) I have to find the algebraic equation for 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 #241396 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=241396\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the distance formula to find the radius.<BR>\n" );
document.write( "The distance from the center of a circle to any point on the circle is equal to the radius.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5E2=%281-6%29%5E2%2B%287-%28-5%29%29%5E2 ALIGN=MIDDLE  ALT=\"R%5E2=%281-6%29%5E2%2B%287-%28-5%29%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5E2=%281-6%29%5E2%2B%287-%28-5%29%29%5E2 ALIGN=MIDDLE  ALT=\"R%5E2=%281-6%29%5E2%2B%287-%28-5%29%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then plug that into the general equation for a circle centered at (h,k) with radius R <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;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-6%29%5E2%2B%28y%2B5%29%5E2=%281-6%29%5E2%2B%287-%28-5%29%29%5E2 ALIGN=MIDDLE  ALT=\"%28x-6%29%5E2%2B%28y%2B5%29%5E2=%281-6%29%5E2%2B%287-%28-5%29%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify the right hand side to get the final answer.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-12%2C20%2C-20%2C12%2Cgrid%281%29%2Ccircle%286%2C-5%2C.4%29%2Ccircle%286%2C-5%2C13%29%2Ccircle%281%2C7%2C0.4%29%2Cgraph%28300%2C300%2C-12%2C20%2C-20%2C12%2C0%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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