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Help me please.!!!

 

System of Equations: solve the systems of equations and express answers as ordered pairs

 

\(\left \{ xy=2/ x^2+2xy=8 \right \}\)

 Mar 8, 2018
 #1
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\((xy=2/x^2+2xy=8)\)

\((x=\frac{2}{y}/x^2+2xy=8)\)

\(x^2+2x\frac{2}{x}=8\)

\(x^2+4=8\)

\(x^2-4=0\)

\(x = \pm2\)

- - - - -

\(xy=2\)

\((2)y=2/(-2)y=2\)

\(y=\pm1\)

\((2, 1)\) or \((-2, -1)\)

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 Mar 8, 2018

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