document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=304924>Question 304924</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Line segment CD is tangent to circle Z at (1,7). If Z has coordinates (5,2), find the slope of line segment CD. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #218363 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=218363\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Line segment CD is tangent to circle Z at (1,7). If Z has coordinates (5,2), find the slope of line segment CD.<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "CD is perpendicular to the segment containing (1,7) and (5,2)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "slope = (2-7)/(5-1) = -5/4<BR>\n" );
document.write( "------<BR>\n" );
document.write( "slope of the tangent must be 4/5<BR>\n" );
document.write( "The line passes thru (1,7)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Form:<BR>\n" );
document.write( "7 = (4/5)1 + b<BR>\n" );
document.write( "b = 31/5<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y = (4/5)x + 31/5<BR>\n" );
document.write( "==============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );