document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=451439>Question 451439</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use slope to show that XYZ is a right triangle... where X is (2,4), Z is (-1,0) .. & Y is (3, -3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310456 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=310456\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Slope of line XZ = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284-0%29%2F%282--1%29+=+4%2F3 ALIGN=MIDDLE  ALT=\"%284-0%29%2F%282--1%29+=+4%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "Slope of line ZY = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280--3%29%2F%28-1-3%29+=+-3%2F4 ALIGN=MIDDLE  ALT=\"%280--3%29%2F%28-1-3%29+=+-3%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "Since the product of the two slopes is -1, the triangle formed is a right triangle. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );