document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=134973>Question 134973</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given line segment AB with midpoint M(5,-1) and endpoint B(8,2), what are the coordinates of A? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #98827 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=98827\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given line segment AB with midpoint M(5,-1) and endpoint B(8,2), what are the coordinates of A?<BR>\n" );
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document.write( "Draw the picture:<BR>\n" );
document.write( "Let the coordinates of A be (x,y)<BR>\n" );
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document.write( "Rule: The coordinates of the midpoint are the average of the corresponding<BR>\n" );
document.write( "coordinates of the end points.<BR>\n" );
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document.write( "(x+8)/2 = 5<BR>\n" );
document.write( "x+8 = 10<BR>\n" );
document.write( "x = 2<BR>\n" );
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document.write( "(y+2)/2 = -1<BR>\n" );
document.write( "y+2 = -2<BR>\n" );
document.write( "y = -4<BR>\n" );
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document.write( "Coordinates of A are (2,-4)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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