document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=762671>Question 762671</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Line E passes through the points (2, 3) and (4, -3). What is the slope of a line perpendicular to line E?<BR>\n" );
document.write( "            A.-1/3 B.1/3 C.-3 D.3\r<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 #464130 by </B><A HREF=/tutors/aboutme.mpl?userid=ramkikk66><B>ramkikk66(644)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ramkikk66><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=464130\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Slope of the line passing through 2 points (x1, y1) and (x2,y2) is given by\r<BR>\n" );
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document.write( "(y1-y2)/(x1-x2).\r<BR>\n" );
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document.write( "Here, the 2 points are (2,3) and (4,-3). So substituting in the above formula,\r<BR>\n" );
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document.write( "slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283+-+%28-3%29%29+%2F+%282+-+4%29 ALIGN=MIDDLE  ALT=\"%283+-+%28-3%29%29+%2F+%282+-+4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2F-2+=+-3 ALIGN=MIDDLE  ALT=\"6%2F-2+=+-3\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "The product of the slopes of perpendicular lines is -1.\r<BR>\n" );
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document.write( "Hence, since the slope of this line is -3, slope of the perpendicular line is\r<BR>\n" );
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