document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=975969>Question 975969</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find an equation that satisfies the given conditions<BR>\n" );
document.write( "though (-1,-3) perpendicular to the line 2x+7y+9=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #597650 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=597650\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find an equation that satisfies the given conditions<BR>\n" );
document.write( "though (-1,-3) perpendicular to the line 2x+7y+9=0<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Find the slope of the line<BR>\n" );
document.write( "2x+7y+9=0<BR>\n" );
document.write( "Solve for y<BR>\n" );
document.write( "y = (-2/7)x - 9/7<BR>\n" );
document.write( "This is the slope-intercept form y = mx + b<BR>\n" );
document.write( "m is the slope = the coefficient of x<BR>\n" );
document.write( "m = -2/7<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "The slope of lines perpendicular is the negative inverse, = +7/2<BR>\n" );
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document.write( "Use m = 7/2 and the point (-1,-3)<BR>\n" );
document.write( "y-y1 = m*(x-x1) where (x1,y1) is the point<BR>\n" );
document.write( "y+3 = (7/2)*(x+1) is an equation.<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "2y+6 = 7x+7<BR>\n" );
document.write( "7x - 2y = -1 is another eqn of the same line.<BR>\n" );
document.write( " </SPAN>\n" );
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