document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=194700>Question 194700</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A circle has center (p,q) and is tangent to the x-axis. Write the standard equation of the circle. \r<BR>\n" );
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document.write( "I got (x-p)^2 + (y-q)^2 = r^2 but I'm not sure about the radius. Please help to clarify what I would do with r (radius) and why. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #146078 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=146078\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the circle is tangent to the x-axis<BR>\n" );
document.write( "this means that the distance (in the y direction) from the center to the x-axis is the radius\r<BR>\n" );
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document.write( "so the y-coordinate of the center (q) is the radius of the circle </SPAN>\n" );
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