document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=323931>Question 323931</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Are the following lines parallel, perpendicular, both or not either one? \r<BR>\n" );
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document.write( "Line 1 with equation x + 2y = 6 <BR>\n" );
document.write( "Line 2 with equation x + 3y = 9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #231816 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=231816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Convert to slope intercept form<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+2y+=+6 ALIGN=MIDDLE  ALT=\"x+%2B+2y+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2y+=+-x+%2B+6 ALIGN=MIDDLE  ALT=\"2y+=+-x+%2B+6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+-x%2F2+%2B+3 ALIGN=MIDDLE  ALT=\"y+=+-x%2F2+%2B+3\"   DISABLED_style= \"max-width:90%; height:auto;\" > m = -1/2\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+3y+=+9 ALIGN=MIDDLE  ALT=\"x+%2B+3y+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3y+=+-x+%2B+9 ALIGN=MIDDLE  ALT=\"3y+=+-x+%2B+9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+-x%2F3+%2B+3 ALIGN=MIDDLE  ALT=\"y+=+-x%2F3+%2B+3\"   DISABLED_style= \"max-width:90%; height:auto;\" > m = -1/3\r<BR>\n" );
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document.write( "The slopes are different - so not parallel<BR>\n" );
document.write( "The slopes are not negative inverse - so not perpendicular<BR>\n" );
document.write( "Answer : neither\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C+-x%2F2%2B3+%2C+-x%2F3%2B3%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C+-x%2F2%2B3+%2C+-x%2F3%2B3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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