document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=346714>Question 346714</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation for the line passing through the point (-1,-4) and perpendicular to the line whose equation is 1 x + 3y + 1=0. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #247973 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=247973\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  1 x + 3y + 1=0<BR>\n" );
document.write( "3y=-x-1<BR>\n" );
document.write( "y=-x/3-1/3 (red line). Slope=-1/3<BR>\n" );
document.write( "(-1,-4) and perpendicular.<BR>\n" );
document.write( "The perpendicular line will have a slope=3<BR>\n" );
document.write( "Y=mX+b<BR>\n" );
document.write( "-4=3*-1+b<BR>\n" );
document.write( "-4=-3+b<BR>\n" );
document.write( "b=-4+3<BR>\n" );
document.write( "b=-1 the Y intercept.<BR>\n" );
document.write( "Y=3X-1 answer. (green line)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+300%2C+-6%2C+5%2C+-6%2C+5%2C+-x%2F3+-1%2F3%2C+3x+-1%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+300%2C+-6%2C+5%2C+-6%2C+5%2C+-x%2F3+-1%2F3%2C+3x+-1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x300 pixels, x from -6 to 5, y from -6 to 5, of TWO functions -x/3 -1/3 and 3x -1).   </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );