document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190932>Question 190932</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is the line parallel, perpendicular or neither??\r<BR>\n" );
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document.write( "y = x + 7<BR>\n" );
document.write( "y = -x + 2\r<BR>\n" );
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document.write( "How do I figure this out??  Thanks for helping! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #143352 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=143352\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Is the line parallel, perpendicular or neither?? <BR>\n" );
document.write( "y = x + 7<BR>\n" );
document.write( "y = -x + 2 <BR>\n" );
document.write( "How do I figure this out?? <BR>\n" );
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document.write( "Both are in the form y = mx +b where b is the slope.<BR>\n" );
document.write( "The slope of the 1st Eq. is \"1\".<BR>\n" );
document.write( "The slope of the 2nd Eq. is \"-1\".<BR>\n" );
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document.write( "The slopes are not the same so the lines are not parallel.<BR>\n" );
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document.write( "The product of the slopes is 1*-1 = -1 so the lines are perpendicular.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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