document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=457174>Question 457174</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 	Use the given conditions to write an equation for the line in slope-intercept form.\r<BR>\n" );
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document.write( "Passing through (4, 2) and perpendicular to the line whose equation is y = 8x + 9. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #313685 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=313685\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Passing through (4, 2) and perpendicular to the line whose equation is y = 8x + 9.<BR>\n" );
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document.write( "slope of:<BR>\n" );
document.write( "y = 8x + 9<BR>\n" );
document.write( "is 8<BR>\n" );
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document.write( "a line perpendicular must have a negative reciprocal slope:<BR>\n" );
document.write( "-1/8<BR>\n" );
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document.write( "plug point and slope into point-slope form:<BR>\n" );
document.write( "y - y1 = m(x - x1)<BR>\n" );
document.write( "y - 2 = (-1/8)(x - 4)<BR>\n" );
document.write( "y - 2 = (-1/8)x + 4/8<BR>\n" );
document.write( "y - 2 = (-1/8)x + 1/2<BR>\n" );
document.write( "y = (-1/8)x + 1/2 + 2<BR>\n" );
document.write( "y = (-1/8)x + 1/2 + 4/2<BR>\n" );
document.write( "y = (-1/8)x + 5/2  (this is what they're looking for)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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