document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108605>Question 108605</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Are the following lines parallel, perpendicular, or neither?<BR>\n" );
document.write( "   L1 with equation x – 2y = 10<BR>\n" );
document.write( "   L2 with equation 2x + y = 2<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 #79196 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=79196\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Put the equations into slope-intercept form.<BR>\n" );
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document.write( "Are the following lines parallel, perpendicular, or neither?<BR>\n" );
document.write( "   L1 with equation x – 2y = 10<BR>\n" );
document.write( "2y= x-10<BR>\n" );
document.write( "y = (1/2)x-4<BR>\n" );
document.write( "slope = 1/2<BR>\n" );
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document.write( "   L2 with equation 2x + y = 2<BR>\n" );
document.write( "y = -2x+2<BR>\n" );
document.write( "slope = -2<BR>\n" );
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document.write( "Product of the slopes = (1/2)*-2 = -1<BR>\n" );
document.write( "so the lines are perpendicular.<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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