document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=432083>Question 432083</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi, i also need help when a question says give a slope of a line perpendicular to the given line. and they say y=-2/3x-4. i don't know how to do that.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #299707 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=299707\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When you multiply the slopes of two lines perpendicular lines, the result is -1.<BR>\n" );
document.write( "(this is the \"negative reciprocal\")<BR>\n" );
document.write( ".<BR>\n" );
document.write( "From:<BR>\n" );
document.write( "y=-2/3x-4<BR>\n" );
document.write( "since it is in \"slope-intercept\" form we immediately see that the slope is:<BR>\n" );
document.write( "-2/3<BR>\n" );
document.write( "So, a line perpendicular must have a slope (m) such that:<BR>\n" );
document.write( "(-2/3)m = -1<BR>\n" );
document.write( "(2/3)m = 1<BR>\n" );
document.write( "(2)m = 3<BR>\n" );
document.write( "m = 3/2 <BR>\n" );
document.write( ".<BR>\n" );
document.write( "So, the answer is 3/2<BR>\n" );
document.write( " </SPAN>\n" );
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