document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=924810>Question 924810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation of a line and write it in function notation. \r<BR>\n" );
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document.write( "through (3, -8) and perpendicular to 8y= x-16\r<BR>\n" );
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document.write( "please help and thank you!!!<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #561095 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=561095\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the perpendicular line has a negative reciprocal slope, therefore<BR>\n" );
document.write( "8y = x-16<BR>\n" );
document.write( "y = x/8 -2<BR>\n" );
document.write( "our perpendicular line has slope -8 (negative reciprocal of 1/8)<BR>\n" );
document.write( "so far we have<BR>\n" );
document.write( "y = -8x +b<BR>\n" );
document.write( "we know the perpendicular line goes through (3, -8)<BR>\n" );
document.write( "substitute for x and y<BR>\n" );
document.write( "-8 = -8(3) +b<BR>\n" );
document.write( "b -24 = -8<BR>\n" );
document.write( "b = 16<BR>\n" );
document.write( "therefore the equation of the line is<BR>\n" );
document.write( "y = -8x +16<BR>\n" );
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