document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=109407>Question 109407</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Are the following lines parallel, perpendicular, or neither?<BR>\n" );
document.write( "   L1 with equation x – 4y = 12<BR>\n" );
document.write( "   L2 with equation 4x + y = 4<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #79763 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=79763\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Are the following lines parallel, perpendicular, or neither?<BR>\n" );
document.write( "L1 with equation x – 4y = 12<BR>\n" );
document.write( "L2 with equation 4x + y = 4\r<BR>\n" );
document.write( "\n" );
document.write( "----------------<BR>\n" );
document.write( "Write in slope-intercept form:<BR>\n" );
document.write( "L1: y = (1/4)x-3; slope is 1/4<BR>\n" );
document.write( "L2: y = -4x+4; slope is -4<BR>\n" );
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document.write( "Since (14)*(-4)= 1- the lines are perpendicular.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );