document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=189960>Question 189960</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1602773033/algebrahomeworkh>saxon algebra 2</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Write the equation of the circle that has a diameter whose endpoints are located at (-2,-1) and (4,-1). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #142541 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=142541\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Tahoma\" size=1.5><BR>\n" );
document.write( "</pre><font size=4><b><BR>\n" );
document.write( "We know the Standard Eqn of a circle ---> <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" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Let us see the circle with endpoints A(-2,-1) & B(4,-1). In doing so, we get the midpoint at x & y:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "X: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5B1%5D%2Bx%5B2%5D%29%2F2=%28-2%2B4%29%2F2=2%2F2=red%281%29 ALIGN=MIDDLE  ALT=\"%28x%5B1%5D%2Bx%5B2%5D%29%2F2=%28-2%2B4%29%2F2=2%2F2=red%281%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Y: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%5B1%5D%2By%5B2%5D%29%2F2=%28-1%2B%28-1%29%29%2F2=-2%2F2=red%28-1%29 ALIGN=MIDDLE  ALT=\"%28y%5B1%5D%2By%5B2%5D%29%2F2=%28-1%2B%28-1%29%29%2F2=-2%2F2=red%28-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Midpoint: (1,-1)--> (h,k)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C400%2C-6%2C6%2C-6%2C6%2Cgraph%28400%2C400%2C-6%2C6%2C-6%2C6%29%2Cblue%28circle%28-2%2C-1%2C.12%29%29%2Cblue%28circle%284%2C-1%2C.12%29%29%2Cgreen%28circle%281%2C-1%2C.12%29%29%2Cgreen%28circle%281%2C-1%2C.10%29%29%2Ccircle%281%2C-1%2C3%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "For the radius = (1/2)*Diameter\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "And the Diameter equals the Distance of the endpoints A and B.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5E2=%28y%5B2%5D-y%5B1%5D%29%5E2%2B%28x%5B2%5D-x%5B1%5D%29%5E2 ALIGN=MIDDLE  ALT=\"D%5E2=%28y%5B2%5D-y%5B1%5D%29%5E2%2B%28x%5B2%5D-x%5B1%5D%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5E2=%28-1-%28-1%29%29%5E2%2B%284-%28-2%29%29%5E2=%28-1%2B1%29%5E2%2B%284%2B2%29%5E2=0%5E2%2B6%5E2=36 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=sqrt%2836%29=6 ALIGN=MIDDLE  ALT=\"D=sqrt%2836%29=6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "And, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=radius=%281%2F2%29D=%281%2F2%29%286%29=red%283%29 ALIGN=MIDDLE  ALT=\"radius=%281%2F2%29D=%281%2F2%29%286%29=red%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Therefore, it follows---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29%5E2+%2B+%28y-%28-1%29%29%5E2+=3%5E2 ALIGN=MIDDLE  ALT=\"%28x-1%29%5E2+%2B+%28y-%28-1%29%29%5E2+=3%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >} ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=red%28%28x-1%29%5E2%2B%28y%2B1%29%5E2=9%29 ALIGN=MIDDLE  ALT=\"red%28%28x-1%29%5E2%2B%28y%2B1%29%5E2=9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, Answer\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Thank you,<BR>\n" );
document.write( "Jojo</font> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );