document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=272443>Question 272443</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether the graphs of the lines are parallel.<BR>\n" );
document.write( "x + 13= y<BR>\n" );
document.write( "y-x = -9<BR>\n" );
document.write( " What is the slope line for x + 13? \r<BR>\n" );
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document.write( "What is the slope line for y - x = -9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199293 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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=199293\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have two equations that need to put into y=mx+b format.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "y = x + 13<BR>\n" );
document.write( "y = x - 9<BR>\n" );
document.write( ".<BR>\n" );
document.write( "The slope of both lines is 1, so they may be parallel or the same line.<BR>\n" );
document.write( "They have different y-intercepts, so they are not the same line.<BR>\n" );
document.write( "So they are parallel.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28500%2C500%2C-20%2C20%2C-20%2C20%2Cx%2B13%2C+x-9%29 ALIGN=MIDDLE  ALT=\"graph%28500%2C500%2C-20%2C20%2C-20%2C20%2Cx%2B13%2C+x-9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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