document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=782057>Question 782057</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An equation of the line passing through (3,4) and perpendicular to y=7x+8 is </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #476251 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=476251\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Slope-intercept form is y = mx + b<BR>\n" );
document.write( "m is the slope <BR>\n" );
document.write( "b is the y-intercept\r<BR>\n" );
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document.write( "In the line y = 7x + 8<BR>\n" );
document.write( "slope = 7\r<BR>\n" );
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document.write( "Perpendicular lines have slopes which are negative reciprocals.\r<BR>\n" );
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document.write( "Perpendicular slope is -1/7\r<BR>\n" );
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document.write( "On the new line, <BR>\n" );
document.write( "slope = -1/7 and the given point is (3,4)\r<BR>\n" );
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document.write( "y - y1 = m(x - x1) {point-slope form}<BR>\n" );
document.write( "y - 4 = (-1/7)(x - 3) {substituted into point-slope form}<BR>\n" );
document.write( "y - 4 = (-1/7)x + 3/7 {used distributive property}<BR>\n" );
document.write( "y = (-1/7)x + 31/7 {added 4 to each side}<BR>\n" );
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