document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1070322>Question 1070322</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (a) find an equation for the line tangent to the circle x^2+ y^2=25 at the point (3,-4).<BR>\n" );
document.write( "(b) At what other point on the circle will a tangent line be parallel to the tangent line in part (a)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #685457 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=685457\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (a) find an equation for the line tangent to the circle x^2+ y^2=25 at the point (3,-4).<BR>\n" );
document.write( "The slope of the tangent line at any point on a circle is -x/y<BR>\n" );
document.write( "--> m = 3/4<BR>\n" );
document.write( "y + 4 = (3/4)*(x - 3)<BR>\n" );
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document.write( "(b) At what other point on the circle will a tangent line be parallel to the tangent line in part (a)?<BR>\n" );
document.write( "At the other end of the diameter (-3,4) </SPAN>\n" );
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