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 #126547 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=126547\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ok lets find the slope first m=rise/run or change in y/change in x.<BR>\n" );
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document.write( "m=3-7/0-5=4/5<BR>\n" );
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document.write( "so any line parallel to a line thru these two point must have the same slope of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=4%2F5 ALIGN=MIDDLE  ALT=\"m=4%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Any line perpendicular to a line passing through these point have to have the - inverse of the slope 4/5 which is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=-5%2F4 ALIGN=MIDDLE  ALT=\"m=-5%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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