document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1122040>Question 1122040</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the equation of the normal to the curve y=x^2-4x at the point where x=-3. find the points A and B where the normal cuts the x-axis and y-axis respectively. Hence find the exact length of AB  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #738071 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=738071\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the equation of the normal to the curve y=x^2-4x at the point where x=-3. find the points A and B where the normal cuts the x-axis and y-axis respectively. Hence find the exact length of AB<BR>\n" );
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document.write( "Find the y-value at x = -3<BR>\n" );
document.write( "Find the slope at x = -3<BR>\n" );
document.write( "The slope of the normal is the negative inverse of the curve's slope.<BR>\n" );
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document.write( "Use y-y1 = m*(m-x1) for the equation where (x1,y1) is the point (-3,y)<BR>\n" );
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