document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=207074>Question 207074</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you solve:<BR>\n" );
document.write( "Point A (–4,1) is in the standard (x,y) coordinate plane. What must be the coordinates<BR>\n" );
document.write( "of point B so that the line x = 2 is the perpendicular bisector of AB? \r<BR>\n" );
document.write( "\n" );
document.write( "Thank you  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #156556 by </B><A HREF=/tutors/aboutme.mpl?userid=dlam5><B>dlam5(15)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dlam5><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=156556\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> perp. bis.  is also a bisector, meaning it must hit in the MIDDLE.\r<BR>\n" );
document.write( "\n" );
document.write( "if A(-4,1) then call B(x,y).\r<BR>\n" );
document.write( "\n" );
document.write( "if x=2,  2,1 is the midpt. of AB; as midpt. of something is a line; here, it is a horiz. straight line.\r<BR>\n" );
document.write( "\n" );
document.write( "Now use midpt. formula.\r<BR>\n" );
document.write( "\n" );
document.write( "-4 + x/2  , 1 +y/2 = 2,1\r<BR>\n" );
document.write( "\n" );
document.write( "for x; set -4 + x/2=2; find x.  x=8\r<BR>\n" );
document.write( "\n" );
document.write( "for y; set 1+y/2 = 1;  y=1\r<BR>\n" );
document.write( "\n" );
document.write( "B(8,1);  check.\r<BR>\n" );
document.write( "\n" );
document.write( "is 2,1 between A and B?  use midpt. to find out...\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "yes:)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Edd </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );