document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285985>Question 285985</A>: <I><SPAN STYLE=\"word-break: break-all;\"> decide whether the pair of lines is parallel perpendicular or neither 2x+3y=9 3x-2y=8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207388 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=207388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> EQ.1.<BR>\n" );
document.write( "2x+3y=9<BR>\n" );
document.write( "3y = -2x + 9<BR>\n" );
document.write( "y = -2/3x+3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "EQ.2.<BR>\n" );
document.write( " 3x-2y=8<BR>\n" );
document.write( "-2y = -3x+8<BR>\n" );
document.write( "y = 3/2x+4<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Since slope of EQ.1 is -2/3, a perpendicular line will have a negative reciprocal slope, which is 3/2.<BR>\n" );
document.write( "EQ.2 has that slope, so they are perpendicular.<BR>\n" );
document.write( ".<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );