document.write( "Question 589242: i need to know how many solutions the system has.
\n" ); document.write( "x^2+y^2=4 and y=x-1
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Algebra.Com's Answer #374770 by richwmiller(17219)\"\" \"About 
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x^2+y^2=4 is a circle
\n" ); document.write( "and y=x-1 is a line
\n" ); document.write( "the line crosses the circle twice
\n" ); document.write( "there are two solutions
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