document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=439330>Question 439330</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Line L contains the points (0,4) and (2,0). Show that the point (–25,81)<BR>\n" );
document.write( "does o r does not lie on line L. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #303574 by </B><A HREF=/tutors/aboutme.mpl?userid=rwm><B>rwm(914)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rwm><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=303574\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> simplest way is to graph it.<BR>\n" );
document.write( "But i suspect since you chose linear equations as the category that you want to find the equation of the line.<BR>\n" );
document.write( "or we could just find the slope of the line that goes through -25,81 and 0,4 to see if it is the same slope as the line that goes through 0,4 and 2,0<BR>\n" );
document.write( "slope is the change in y over the change in x<BR>\n" );
document.write( "4-0/0-2<BR>\n" );
document.write( "4/-2=-2<BR>\n" );
document.write( "y=mx+b<BR>\n" );
document.write( "y=-2x+b<BR>\n" );
document.write( "4=-2*0+b<BR>\n" );
document.write( "4=b<BR>\n" );
document.write( "y=-2x+4<BR>\n" );
document.write( "81=-2*(-25)+4<BR>\n" );
document.write( "81=50+4<BR>\n" );
document.write( "81=54<BR>\n" );
document.write( "not on the same line<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );