document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1106043>Question 1106043</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation of the line tangent to the circle x2 + y2 = 25 at point (3,4).  Use the general equation of the line for your final answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #720967 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=720967\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> implicit differentiation relative to x<BR>\n" );
document.write( "2x+2y dy/dx=0<BR>\n" );
document.write( "2y dy/dx=-2x<BR>\n" );
document.write( "dy/dx=-x/y<BR>\n" );
document.write( "The slope of the line is -3/4<BR>\n" );
document.write( "the point is (3, 4)<BR>\n" );
document.write( "y-y1=m(x-x1), m slope (x1, y1) point<BR>\n" );
document.write( "y-4=(-3/4)(x-3)<BR>\n" );
document.write( "y=-(3x/4)+(25/4)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-10%2C10%2C-10%2C10%2Csqrt%2825-x%5E2%29%2C-sqrt%2825-x%5E2%29%2C%28-3x%2F4%29%2B%2825%2F4%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );