document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=432324>Question 432324</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether the lines are parallel, perpendicular, or neither. <BR>\n" );
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document.write( "y =  5( 4x  + 9) and y = - 1/20x  - 4 <BR>\n" );
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document.write( "A) <BR>\n" );
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document.write( "Parallel <BR>\n" );
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document.write( "B) <BR>\n" );
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document.write( "Perpendicular <BR>\n" );
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document.write( "C) <BR>\n" );
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document.write( "Neither <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 #299770 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=299770\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Determine whether the lines are parallel, perpendicular, or neither. \r<BR>\n" );
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document.write( "y = 5( 4x + 9) and y = - 1/20x - 4 \r<BR>\n" );
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document.write( "y = 20x+45<BR>\n" );
document.write( "slope = 20<BR>\n" );
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document.write( "y = (-1/20)x -4<BR>\n" );
document.write( "slope = -1/20<BR>\n" );
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document.write( "Since the product of the slopes is -1<BR>\n" );
document.write( "the lines are parallel.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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