document.write( "Question 456723: Please help me solve these systems of equations using any algebra:\r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2+%2B+y+=+8+\"$
\n" ); document.write( " $\"+x-2y=-6\"$ \r
\n" ); document.write( "\n" ); document.write( "Thanks in advance! \n" ); document.write( "

Algebra.Com's Answer #313427 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2+%2B+y+=+8+\"$ .....1
\n" ); document.write( " $\"+x-2y=-6\"$ .........2...solve for $\"x\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+x=2y-6\"$ .........2...substitute in 1 and solve for $\"y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%282y-6%29%5E2+%2B+y+=+8+\"$ .....1\r
\n" ); document.write( "\n" ); document.write( " $\"4y%5E2-24y%2B36+%2B+y+=+8+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4y%5E2-23y%2B36-+8=0+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4y%5E2-23y%2B28=0+\"$ .....use quadratic formula\r
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\n" ); document.write( "\n" ); document.write( " $\"y+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"y+=+%28-%28-23%29+%2B-+sqrt%28%28-23%29%5E2-4%2A4%2A28+%29%29%2F%282%2A4%29+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"y+=+%2823+%2B-+sqrt%28529-448+%29%29%2F8+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"y+=+%2823+%2B-+sqrt%2881+%29%29%2F8+\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"y+=+%2823+%2B-+9%29%2F8+\"$ \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( " $\"y+=+%2823+%2B9%29%2F8+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y+=+32%2F8+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y+=+4+\"$ \r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( " $\"y+=+%2823+-9%29%2F8+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y+=+14%2F8+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y+=+1.75\"$ \r
\n" ); document.write( "\n" ); document.write( "now find $\"x\"$ :\r
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\n" ); document.write( "\n" ); document.write( " $\"+x=2y-6\"$
\n" ); document.write( " $\"+x=2%2A4-6\"$
\n" ); document.write( " $\"+x=8-6\"$
\n" ); document.write( " $\"+x=2\"$ \r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( " $\"+x=2%2A1.75-6\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x=-2.5\"$ \r
\n" ); document.write( "\n" ); document.write( "finally:\r
\n" ); document.write( "\n" ); document.write( "one solution is $\"+x=2\"$ and $\"+y=4\"$ \r
\n" ); document.write( "\n" ); document.write( "another solution is $\"+x=-2.5\"$ and $\"+y=1.75\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+graph%28+500%2C+500%2C+-10%2C+10%2C+-10%2C+10%2C+-x%5E2+%2B8%2C%281%2F2%29x%2B3%29+\"$ \r
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