document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=413589>Question 413589</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Decide whether the pair of lines is parallel, perpendicular or neither.\r<BR>\n" );
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document.write( "4x+3y=3<BR>\n" );
document.write( "3x+4y=9\r<BR>\n" );
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document.write( "Here is what I have:\r<BR>\n" );
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document.write( "4x+3y=3\r<BR>\n" );
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document.write( "3y=-4x+3\r<BR>\n" );
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document.write( "y=-4/3x + 3/3 (= 1)\r<BR>\n" );
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document.write( "3x+4y=9\r<BR>\n" );
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document.write( "4y=-3x+9\r<BR>\n" );
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document.write( "y=-3/4x + 9/4\r<BR>\n" );
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document.write( "What would that make this and can you help explain the difference? I am pretty sure that parallel has the same slope and perpendicular is -1/x. I maybe be totally wrong, but I think it is neither.\r<BR>\n" );
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document.write( "Help would be appreciated.\r<BR>\n" );
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document.write( "Thank you much,<BR>\n" );
document.write( "Jeffrey G </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #290205 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=290205\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Decide whether the pair of lines is parallel, perpendicular or neither.\r<BR>\n" );
document.write( "\n" );
document.write( "4x+3y=3<BR>\n" );
document.write( "3x+4y=9\r<BR>\n" );
document.write( "\n" );
document.write( "Here is what I have:\r<BR>\n" );
document.write( "\n" );
document.write( "4x+3y=3\r<BR>\n" );
document.write( "\n" );
document.write( "3y=-4x+3\r<BR>\n" );
document.write( "\n" );
document.write( "y=-4/3x + 3/3 (= 1)\r<BR>\n" );
document.write( "\n" );
document.write( "3x+4y=9\r<BR>\n" );
document.write( "\n" );
document.write( "4y=-3x+9\r<BR>\n" );
document.write( "\n" );
document.write( "y=-3/4x + 9/4\r<BR>\n" );
document.write( "\n" );
document.write( "What would that make this and can you help explain the difference? I am pretty sure that parallel has the same slope and perpendicular is -1/x. I maybe be totally wrong, but I think it is neither.<BR>\n" );
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document.write( "The slope of the 1st eqn, m1 = -4/3<BR>\n" );
document.write( "For the 2nd, m2 = -3/4<BR>\n" );
document.write( "As you got above.<BR>\n" );
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document.write( "If they're parallel, the slopes are equal.  They're not parallel.<BR>\n" );
document.write( "If they're perpendicular, the slopes are negative reciprocals.  They're not perpendicular.<BR>\n" );
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document.write( "The 2 slopes are inverses, but with the same sign --> neither. </SPAN>\n" );
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