document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=671862>Question 671862</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the equation of the line.write the equation using function notation.Through(2,-9) perpendicular to 9y=x-18 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #417818 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=417818\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 9y = x - 18<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28y+=+%281%2F9%29x+-+2%29 ALIGN=MIDDLE  ALT=\"highlight_green%28y+=+%281%2F9%29x+-+2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "...<BR>\n" );
document.write( "Perpendicular slopes are negative reciprocals.<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Using slope of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-9 ALIGN=MIDDLE  ALT=\"-9\"   DISABLED_style= \"max-width:90%; height:auto;\" > and coordinates (2, -9)<BR>\n" );
document.write( "-9 = -9(2) + b<BR>\n" );
document.write( "b = -9 + 18 = 9<BR>\n" );
document.write( "...<BR>\n" );
document.write( "f(x) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28-9x+%2B+9%29 ALIGN=MIDDLE  ALT=\"highlight%28-9x+%2B+9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-5%2C5%2C-5%2C5%2C-9x%2B9%2C+%281%2F9%29x-2%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-5%2C5%2C-5%2C5%2C-9x%2B9%2C+%281%2F9%29x-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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