document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=171407>Question 171407</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the slope of a line (a) paraell, and (b) perpendicular to the line through points (5,7) and (0,3)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #126545 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=126545\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the slope of a line (a) paraell, and (b) perpendicular to the line through points (5,7) and (0,3)?<BR>\n" );
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document.write( "The slope, m, of the line thru the points is (diff in y)/(diff in x)<BR>\n" );
document.write( "m = (7-3)/(5-0) = 4/5<BR>\n" );
document.write( "All lines parallel has the same slope, 4/5.<BR>\n" );
document.write( "All lines perpendicular have a slope that the negative inverse, -5/4.\r<BR>\n" );
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