document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=900532>Question 900532</A>: <I><SPAN STYLE=\"word-break: break-all;\"> one endpoint of a segment lies on the origin. if the second endpoints is known to lie on the line x=4, and the segment is a units long, explain how you could find the coordinates of the other endpoint<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #546020 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=546020\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The line <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=4+ ALIGN=MIDDLE  ALT=\"+x=4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is a vertical line through (4,0)<BR>\n" );
document.write( "The line segment trough the origin is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+ ALIGN=MIDDLE  ALT=\"+a+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "units long<BR>\n" );
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document.write( "If I say that the intersection of the line segment<BR>\n" );
document.write( "with <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=4+ ALIGN=MIDDLE  ALT=\"+x=4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is ( 4,y ), then the distance <BR>\n" );
document.write( "between ( 0,0 ) and ( 4,y ) would be:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a%5E2+=+%28+4+-+0+%29%5E2+%2B+%28+y+-+0+%29%5E2+ ALIGN=MIDDLE  ALT=\"+a%5E2+=+%28+4+-+0+%29%5E2+%2B+%28+y+-+0+%29%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a%5E2+=+4%5E2+%2B+y%5E2+ ALIGN=MIDDLE  ALT=\"+a%5E2+=+4%5E2+%2B+y%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%5E2+=+a%5E2+-+16+ ALIGN=MIDDLE  ALT=\"+y%5E2+=+a%5E2+-+16+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+sqrt%28+a%5E2+-+16+%29+ ALIGN=MIDDLE  ALT=\"+y+=+sqrt%28+a%5E2+-+16+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "So, the coordinates of the other endpoint are:<BR>\n" );
document.write( "( 4 , sqrt( a^2 - 16 ) )<BR>\n" );
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