document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=621366>Question 621366</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Choose the equation of the line passing through the point (-1, -2) and perpendicular to y = x + 2. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #390710 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=390710\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Choose the equation of the line passing through the point (-1, -2) and perpendicular to y = x + 2.<BR>\n" );
document.write( "**<BR>\n" );
document.write( "Standard form of equation for a straight line:  y=mx+b, m=slope, b=y-intercept<BR>\n" );
document.write( "For given equation: y=x+2<BR>\n" );
document.write( "slope=1<BR>\n" );
document.write( "slope of line perpendicular to given line=-1 (negative reciprocal)<BR>\n" );
document.write( "equation: y=-x+b<BR>\n" );
document.write( "solve for b using given point (-1,-2) on the line<BR>\n" );
document.write( "-2=-1*-1+b<BR>\n" );
document.write( "b=-3<BR>\n" );
document.write( "equation: y=-x-3<BR>\n" );
document.write( "See graph below as a visual check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+x%2B2%2C-x-3%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+x%2B2%2C-x-3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );