document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=523219>Question 523219</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether the two lines are parallel, perpendicular, or neither. <BR>\n" );
document.write( "3y + 21 = 2x<BR>\n" );
document.write( "2y = 16 - 3x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #347230 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=347230\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3y + 21 = 2x\r<BR>\n" );
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document.write( "3y=2x-21<BR>\n" );
document.write( "/3<BR>\n" );
document.write( "y=(2/3)x-7<BR>\n" );
document.write( "slope m1= (2/3)<BR>\n" );
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document.write( "2y = 16 - 3x<BR>\n" );
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document.write( "y=(-3/2)x +8\r<BR>\n" );
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document.write( "slope m2= (-3/2)\r<BR>\n" );
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document.write( "The slopes are negative reciprocals\r<BR>\n" );
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document.write( " m1*m2=-1\r<BR>\n" );
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document.write( "(-3/2)*(2/3)=-1\r<BR>\n" );
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document.write( "So the lines are perpendicular\r<BR>\n" );
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document.write( " </SPAN>\n" );
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