document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=753940>Question 753940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation of a line in slope-intercept form that passes through the point (0, 4) and is perpendicular to the line y = 6x + 22<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 #458714 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=458714\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> With line y = 6x + 22<BR>\n" );
document.write( "the gradient = 6<BR>\n" );
document.write( "Another line that is perpendicular <BR>\n" );
document.write( "to y = 6x + 22 would have a gradient<BR>\n" );
document.write( "of -1/6<BR>\n" );
document.write( " For perpendicular lines the gradients<BR>\n" );
document.write( "multiply together to give -1<BR>\n" );
document.write( "so, m1*m2 = -1<BR>\n" );
document.write( "    6*-1/6 = -1<BR>\n" );
document.write( "Using coordinates (0,4)<BR>\n" );
document.write( "and the equation<BR>\n" );
document.write( "y - b = m(x - a)   a = 0, b = 4<BR>\n" );
document.write( "y - 4 = -1/6(x - 0)<BR>\n" );
document.write( "y - 4 = -1/6x<BR>\n" );
document.write( "    y = -1/6x + 4 </SPAN>\n" );
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