document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=897228>Question 897228</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you find the other endpoint of a line when given the midpoint and one endpoint? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544028 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=544028\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To find the midpoint of two endpoints<BR>\n" );
document.write( "xm, ym are the x,y of the midpoint<BR>\n" );
document.write( "x1, y1 are the x,y of one endpoint<BR>\n" );
document.write( "x2, y2 are the x,y of the other endpoint<BR>\n" );
document.write( "xm=(x2+x1)/2<BR>\n" );
document.write( "ym=(y2+y1)/2\r<BR>\n" );
document.write( "\n" );
document.write( "To find the endpoint knowing one endpoint and the midpoint<BR>\n" );
document.write( "solve for x1 and y1\r<BR>\n" );
document.write( "\n" );
document.write( "x1=2*xm-x2<BR>\n" );
document.write( "y1=2*ym-y2 </SPAN>\n" );
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