document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=69422>Question 69422</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm not sure how to answer this question. I bet you could help:)<BR>\n" );
document.write( "Parallel lines have the same slope and never intersect each other.\r<BR>\n" );
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document.write( "Discuss how you would show that any 2 lines with different slopes must<BR>\n" );
document.write( "always cross (intersect) one another.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #49449 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=49449\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Lines that are very close to being parallel will still eventually intersect after being extended a finite amount concerning the x-axis. Let's take a few examples.<BR>\n" );
document.write( "y = -200x/177 + 10<BR>\n" );
document.write( "y = -200/199 + 8<BR>\n" );
document.write( "The slopes are similar.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C-200x%2F177+%2B+10%2C-200x%2F199+%2B+8%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C-200x%2F177+%2B+10%2C-200x%2F199+%2B+8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "If we extend the x-axis:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-10%2C16%2C-10%2C10%2C-200x%2F177+%2B+10%2C-200x%2F199+%2B+8%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-10%2C16%2C-10%2C10%2C-200x%2F177+%2B+10%2C-200x%2F199+%2B+8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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