document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=225672>Question 225672</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a. Make a conjecture about the formula for midpoint in three dimensions. Hint: 3D coordinates are given as (x, y, z).<BR>\n" );
document.write( "b. Use the formula from the previous step to find the midpoint of (3, 1, 0) and (11, -8, 15).\r<BR>\n" );
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document.write( "HELP! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #168298 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=168298\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the formula from the previous step to find the midpoint of (3, 1, 0) and (11, -8, 15).<BR>\n" );
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document.write( "Find the averages of x, y and z separately.<BR>\n" );
document.write( "x: (3+11)/2 = 7<BR>\n" );
document.write( "y: (1-8)/2 = -7/2<BR>\n" );
document.write( "z: (0+15)/2 = 15/2<BR>\n" );
document.write( "Midpoint is (7,-7/2,15/2)<BR>\n" );
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