document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=156369>Question 156369</A>: <I><SPAN STYLE=\"word-break: break-all;\"> M is the midpoint of QR. Q has coodinates (-3,5) and M has coordinates (7,-9) find the coordinates of R. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115200 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=115200\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> M is the midpoint of QR. Q has coodinates (-3,5) and M has coordinates (7,-9) find the coordinates of R.<BR>\n" );
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document.write( "The simplest was to do this is to find the differences in X and Y separately, and add them to the midpoint.<BR>\n" );
document.write( "x2-x1 = 7 - (-3) = 10<BR>\n" );
document.write( "y2-y1 = -9 - 5 = -14<BR>\n" );
document.write( "Then add to point M<BR>\n" );
document.write( "7+10 = 17<BR>\n" );
document.write( "-9-14 = -23<BR>\n" );
document.write( "The point R is (17,-23)<BR>\n" );
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