document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=319677>Question 319677</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the distance formula to determine whether the points lie on the same line: (0,-4), (2,0), (3,2)\r<BR>\n" );
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document.write( "(The only way I thought of doing this question is forming a right triangle with two of the points as the hypotenuse and plot the other point, but that really doesn't have so much to do with the distance formula. I have no idea how an equation made to house two points (which is what a line is, basically) can determine the presence of a third point given something as exclusive as distance, which would have to change anyway. But maybe that's just my way of thinking about it.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #228963 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=228963\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the distance formula to determine whether the points lie on the same line: (0,-4), (2,0), (3,2) <BR>\n" );
document.write( "(The only way I thought of doing this question is forming a right triangle with two of the points as the hypotenuse and plot the other point, but that really doesn't have so much to do with the distance formula. I have no idea how an equation made to house two points (which is what a line is, basically) can determine the presence of a third point given something as exclusive as distance, which would have to change anyway. But maybe that's just my way of thinking about it.)<BR>\n" );
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document.write( "I don't understand your approach, but I don't see how the distance formula would help, either.<BR>\n" );
document.write( "Label the points A, B & C for convenience.<BR>\n" );
document.write( "A(0,-4), B(2,0), C(3,2) <BR>\n" );
document.write( "Find the slope of AB and the slope of BC.<BR>\n" );
document.write( "If they're equal, and share the middle point, B, then they're colinear.<BR>\n" );
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