document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1140305>Question 1140305</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if  line PQ passes through (1,2) and perpendicular to y=5x-1, determined the equation of PQ.\r<BR>\n" );
document.write( "\n" );
document.write( "If the gradient of AB,is 15, 3,and line PQ is parrell to line AB,and passes through point (-4,5) for the equation of  line AB </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #760816 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=760816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The slope of a line perpendicular to line with slope 5 is -1/5 (negative reciprocal)<BR>\n" );
document.write( "point slope formula y-y1=m(x-x1)<BR>\n" );
document.write( "y-2=(-1/5)(x-1)<BR>\n" );
document.write( "y=(-1/5)x+11/5 (1/5+2)\r<BR>\n" );
document.write( "\n" );
document.write( "The slope of AB is 5; parallel lines have the same slope<BR>\n" );
document.write( "y-5=5(x+4), note signs<BR>\n" );
document.write( "y=5x+25\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C5x-1%2C%28-1%2F5%29x%2B11%2F5%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C5x-1%2C%28-1%2F5%29x%2B11%2F5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );