document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=201499>Question 201499</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation for the line satisfying the given conditions\r<BR>\n" );
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document.write( "Through (2,8); perpendicular to 9x+7y=74\r<BR>\n" );
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document.write( "possible answers\r<BR>\n" );
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document.write( "7x+9y=-58 ans.<BR>\n" );
document.write( "9x-7y=-58<BR>\n" );
document.write( "7x-9y=-58<BR>\n" );
document.write( "7x-9y=1\r<BR>\n" );
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document.write( "Through (-3,-2); perpendicular to -7x+9y=-42\r<BR>\n" );
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document.write( "possible answers\r<BR>\n" );
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document.write( "9x+7y=-41 ans.<BR>\n" );
document.write( "9x-7y=-42<BR>\n" );
document.write( "-7x-9y=-41<BR>\n" );
document.write( "9x-7y=-41 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #151717 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=151717\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Through (2,8); perpendicular to 9x+7y=74<BR>\n" );
document.write( "7y=-9x+74<BR>\n" );
document.write( "y=-9x/7+74/7 <BR>\n" );
document.write( "A perpendicular line would have a slope=7/9<BR>\n" );
document.write( "8=7/9*2+b<BR>\n" );
document.write( "8=14/9+b<BR>\n" );
document.write( "b=8-14/9 <BR>\n" );
document.write( "b=(8*9-14)/9<BR>\n" );
document.write( "b=(72-14)/9<BR>\n" );
document.write( "b=58/9<BR>\n" );
document.write( "y=7x/9+58/9 <BR>\n" );
document.write( "9y=7x+58<BR>\n" );
document.write( "7x-9y=-58 ans.<BR>\n" );
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document.write( "Through (-3,-2); perpendicular to -7x+9y=-42<BR>\n" );
document.write( "9y=7x-42<BR>\n" );
document.write( "y=7x/9-42/9 (red line)<BR>\n" );
document.write( "A perpendicular line has a slope=-9/7<BR>\n" );
document.write( "-2=-9/7*-3+b<BR>\n" );
document.write( "-2=27/7+b<BR>\n" );
document.write( "b=-2-27/7<BR>\n" );
document.write( "b=(-2*7-27)/7<BR>\n" );
document.write( "b=(-14-27)/7<BR>\n" );
document.write( "b=-41/7<BR>\n" );
document.write( "y=-9x/7-41/7 <BR>\n" );
document.write( "7y=-9x-41<BR>\n" );
document.write( "9x+7y=-41 ans. </SPAN>\n" );
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