document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=217013>Question 217013</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to know the slope of a line perpendicular to the line 7x-2y=-2<BR>\n" );
document.write( "And, I need to know the slope of a line parallel to the line 7x-2y=-2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #163708 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=163708\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need to know the slope of a line perpendicular to the line 7x-2y=-2<BR>\n" );
document.write( "Convert to \"slope-intercept\" form:<BR>\n" );
document.write( "y = mx + b<BR>\n" );
document.write( "7x-2y=-2<BR>\n" );
document.write( "-2y = -7x-2<BR>\n" );
document.write( "y = (7/2)x + 1<BR>\n" );
document.write( "Since the slope of the line is 7/2, a line perpendicular to this will have a \"negative reciprocal\" slope.<BR>\n" );
document.write( "Let m = slope of perpendicular line<BR>\n" );
document.write( "then<BR>\n" );
document.write( "m(7/2) = -1<BR>\n" );
document.write( "m = -2/7<BR>\n" );
document.write( ".<BR>\n" );
document.write( "And, I need to know the slope of a line parallel to the line 7x-2y=-2<BR>\n" );
document.write( "Since we found the slope of:<BR>\n" );
document.write( "7x-2y=-2<BR>\n" );
document.write( "to be 7/2<BR>\n" );
document.write( "a line parallel to this will have the SAME slope<BR>\n" );
document.write( "therefore, slope of a parallel line is 7/2<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );