document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=244954>Question 244954</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please determine whether or not the following points are collinear or not<BR>\n" );
document.write( "(1,9),(7,3), and (10,0)\r<BR>\n" );
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document.write( "(-2,-1),(5,5), ans (7,9) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179118 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=179118\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if the slopes (m), from the first point to each of the other two points, are equal; then the three points are colinear\r<BR>\n" );
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document.write( "(1,9),(7,3), and (10,0)<BR>\n" );
document.write( "m1 = (3 - 9) / (7 - 1) = -1<BR>\n" );
document.write( "m2 = (0 - 9) / (10 - 1) = -1<BR>\n" );
document.write( "slopes are equal, so points are colinear\r<BR>\n" );
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document.write( "(-2,-1),(5,5), ans (7,9)<BR>\n" );
document.write( "m1 = (5 - -1) / (5 - -2) = 6/7<BR>\n" );
document.write( "m2 = (9 - -1) / (7 - -2) = 10/9<BR>\n" );
document.write( "slopes are NOT equal, so points are NOT colinear </SPAN>\n" );
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