document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=156360>Question 156360</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977223/algebrahomeworkh>Algebra structure and method book 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> can you please help me graph: (((x+y<1))) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115266 by </B><A HREF=/tutors/aboutme.mpl?userid=gonzo><B>gonzo(654)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=gonzo><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=115266\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + y < 1\r<BR>\n" );
document.write( "\n" );
document.write( "becomes y < 1 - x when you subtract x from both sides of the equation.\r<BR>\n" );
document.write( "\n" );
document.write( "to find the demarc line change the equation to y = 1 - x and plot the graph.\r<BR>\n" );
document.write( "\n" );
document.write( "some graph plots .................\r<BR>\n" );
document.write( "\n" );
document.write( "x         y\r<BR>\n" );
document.write( "\n" );
document.write( "-10     +11<BR>\n" );
document.write( "-5      +6<BR>\n" );
document.write( "-1      +2<BR>\n" );
document.write( " 0      +1<BR>\n" );
document.write( "+1       0<BR>\n" );
document.write( "+5      -4<BR>\n" );
document.write( "+10     -9<BR>\n" );
document.write( "+12     -11\r<BR>\n" );
document.write( "\n" );
document.write( "y is a line with a negative slope.<BR>\n" );
document.write( "as x gets larger y gets smaller.\r<BR>\n" );
document.write( "\n" );
document.write( "to solve the equation now look for y < 1 - x\r<BR>\n" );
document.write( "\n" );
document.write( "for y to be smaller it has to be below the line so you would shade the area below the line that is created to get the answer.\r<BR>\n" );
document.write( "\n" );
document.write( "for example, when x is +10 y would be less than -9 to satisfy the equation of y < 1 - x.\r<BR>\n" );
document.write( "\n" );
document.write( "going back to the original equation of x + y < 1.\r<BR>\n" );
document.write( "\n" );
document.write( "let x be 10 and y be -10 (smaller than -9).\r<BR>\n" );
document.write( "\n" );
document.write( "then 10 + (-10) = 10 - 10 = 0 which is < 1.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );