document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=308795>Question 308795</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I used the formula (x-h)^2 +(y-k)^2=r^2 to determine the equation of the circle. I got c=(4,0)r=sqrt 13 (x-4)^2+(y-0)^2=(sqrt13)^2<BR>\n" );
document.write( "(x-4)^2=(y-0)^2 =13 but now I have to determine where the circle intersects the x-axis using a system of equations. Can you please show me how to do this. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #220794 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=220794\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When you're on the x-axis, then y=0.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-4%29%5E2%2B%28y-0%29%5E2+=13 ALIGN=MIDDLE  ALT=\"%28x-4%29%5E2%2B%28y-0%29%5E2+=13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-4%29%5E2%2B%280-0%29%5E2+=13 ALIGN=MIDDLE  ALT=\"%28x-4%29%5E2%2B%280-0%29%5E2+=13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-4%29%5E2=13 ALIGN=MIDDLE  ALT=\"%28x-4%29%5E2=13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I think you can take it from there to solve for the two x values. <BR>\n" );
document.write( "Remember that then y=0 in the ordered pair.  </SPAN>\n" );
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