document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=616450>Question 616450</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the plane xy-plane, which of the following are point os intersection of the circles whose equations are x^2 + y^2 = 4 and (x - 2)^2 + y^2 = 4?\r<BR>\n" );
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document.write( "A. (-1, sqrt(3)) , (-1, -sqrt (3))<BR>\n" );
document.write( "B. (1, sqrt (3)), (1,  -sqrt (3))<BR>\n" );
document.write( "C. (1, sqrt (3)),  (-1, sqrt(3))<BR>\n" );
document.write( "D. (1,1), (-1,1)<BR>\n" );
document.write( "E. (1,1), (1, -2)\r<BR>\n" );
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document.write( "How is it possible that a circle can be expressed by an equation? I am quite perplexed by this... How do you find the point of intersection?\r<BR>\n" );
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document.write( "Thank you so much for any help you can give me?\r<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 #387768 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=387768\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">   <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\"><font face = \"Tohoma\" size = 3 color = \"indigo\"><b> <BR>\n" );
document.write( "Hi, <BR>\n" );
document.write( "points of intersection of the circles: *<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+y%5E2+=+2%5E2 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+y%5E2+=+2%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x+-+2%29%5E2+%2B+y%5E2+=+2%5E2 ALIGN=MIDDLE  ALT=\"%28x+-+2%29%5E2+%2B+y%5E2+=+2%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >?<BR>\n" );
document.write( "Sketching and observing circles intersect at x = 1: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+y%5E2+=+2%5E2 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+y%5E2+=+2%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%282%5E2+-+1%5E1%29+ ALIGN=MIDDLE  ALT=\"sqrt%282%5E2+-+1%5E1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >= ± <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%283%29 ALIGN=MIDDLE  ALT=\"+sqrt%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "points of intersection are( 1, ± <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%283%29 ALIGN=MIDDLE  ALT=\"sqrt%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ) <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C+++-6%2C+6%2C+-6%2C+6%2C++grid%281%29%2C%0D%0Acircle%280%2C+0%2C2%29%2C%0D%0Acircle%281%2C+1.732%2C0.2%29%2C%0D%0Acircle%281%2C+-1.732%2C0.2%29%2C%0D%0Acircle%282%2C+0%2C2%29%2C%0D%0Ablue%28line%281%2C0%2C1%2C1.732%29%29%2C%0D%0Agreen%28line%281%2C0%2C1%2C-1.732%29%29%2C%0D%0A%0D%0Agraph%28+300%2C+300%2C+-6%2C+6%2C+-6%2C+6%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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