document.write( "Question 970330: Solve the system. x^2+y^2=1 and x+y=-1 \n" ); document.write( "

Algebra.Com's Answer #592973 by josgarithmetic(39617) $\"\"$ $\"About$

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$\"y=-x-1\"$
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\n" ); document.write( " $\"x%5E2%2B%28-x-1%29%5E2=1\"$
\n" ); document.write( " $\"x%5E2%2Bx%5E2%2B2x%2B1=1\"$
\n" ); document.write( " $\"2x%5E2%2B2x=0\"$
\n" ); document.write( " $\"x%5E2%2Bx=0\"$
\n" ); document.write( " $\"x%28x%2B1%29=0\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x=0\"$ or $\"x=-1\"$ .\r
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\n" ); document.write( "\n" ); document.write( "Resulting points would be (0,-1) and (-1,0).
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