document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1194810>Question 1194810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> p(0,2) and q(4,0) are two points in a plane and 0 is the origin find the equation of the <BR>\n" );
document.write( "1) circle on pq as diameter<BR>\n" );
document.write( "2)diameter parallel to the tangent to the circle at q<BR>\n" );
document.write( "3)SHOW THAT LINE 2y+x+1=0 is a tangent to the circle </SPAN>\n" );
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document.write( "p(0,2) and q(4,0) are two points in a plane ,...  Find the equation of the<BR>\n" );
document.write( "(1) circle on pq as diameter.<BR>\n" );
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document.write( "Center is the midpoint of p and q.<BR>\n" );
document.write( "horizontal coordinate, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280%2B4%29%2F2=4%2F2=2%29%29%29%3B%0D%0Avertical+coordinate%2C+%7B%7B%7B%282%2B0%29%2F2=1 ALIGN=MIDDLE  ALT=\"%280%2B4%29%2F2=4%2F2=2%29%29%29%3B%0D%0Avertical+coordinate%2C+%7B%7B%7B%282%2B0%29%2F2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "Size of diameter is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%280-4%29%5E2%2B%282-0%29%5E2%29=sqrt%2816%2B4%29=sqrt%2820%29=2sqrt%285%29 ALIGN=MIDDLE  ALT=\"sqrt%28%280-4%29%5E2%2B%282-0%29%5E2%29=sqrt%2816%2B4%29=sqrt%2820%29=2sqrt%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "radius size is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%285%29 ALIGN=MIDDLE  ALT=\"sqrt%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "radius squared is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5 ALIGN=MIDDLE  ALT=\"5\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "Equation of this circle is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28x-2%29%5E2%2B%28x-1%29%5E2=5%29 ALIGN=MIDDLE  ALT=\"highlight%28%28x-2%29%5E2%2B%28x-1%29%5E2=5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( ". </SPAN>\n" );
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