document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=461758>Question 461758</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the center-radius form of the equation of a circle with center (4,8) and tangent to the X-axis.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #316588 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=316588\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The standard form of the equation of the circle is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2 ALIGN=MIDDLE  ALT=\"%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Since our circle is tangent to the x-axis its radius will be perpendicular to the \r<BR>\n" );
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document.write( "the x-axis at the point (4, 0), and its radius will be:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2=%284-4%29%5E2%2B%280-8%29%5E2=64 ALIGN=MIDDLE  ALT=\"r%5E2=%284-4%29%5E2%2B%280-8%29%5E2=64\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and the equation of the circle is:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-4%29%5E2%2B%28y-8%29%5E2=64 ALIGN=MIDDLE  ALT=\"%28x-4%29%5E2%2B%28y-8%29%5E2=64\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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