document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=800398>Question 800398</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the equation of the circle defined by the given conditions<BR>\n" );
document.write( "a) (5,1) and (-3,3) are endpoints of a diameter\r<BR>\n" );
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document.write( "Can you please help me out , thanks so much in advance:) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #483087 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=483087\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine the equation of the circle defined by the given conditions<BR>\n" );
document.write( "a) (5,1) and (-3,3) are endpoints of a diameter <BR>\n" );
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document.write( "equation of circle: (x-h)^2+(y-k)^2=r^2<BR>\n" );
document.write( "To find center:<BR>\n" );
document.write( "Use midpoint formula:(x1+x2)/2,(y1+y2)/2, with end points<BR>\n" );
document.write( "=(5-3)/2,(1+3)/2=(1,2)=(x,y) coordinaes of center<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Distance formula: d^2=(x1-x2)^2+(y1-y2)^2<BR>\n" );
document.write( "to find radius, use distance formula with coordinates of center(1,2) and one endpoint(-3,3)<BR>\n" );
document.write( "r^2=(-3-1)^2+(3-2)^2=16+1=17<BR>\n" );
document.write( "equation of circle: (x-1)^2+(y-2)^2=17\r<BR>\n" );
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