Calculate: \text{begin}array l y=2sqrt(1-2x),

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  3. Calculate: \text{begin}array l y=2sqrt(1-2x),

Expression: $\begin{array} { l }y=2\sqrt{ 1-2x },& \left( -4, 4\right)\end{array}$

To check if the ordered pair $\left( -4, 4\right)$ is a solution, substitute $-4$ for $x$ and $4$ for $y$ into the equation

$4=2\sqrt{ 1-2 \times \left( -4 \right) }$

Check the equality

$\textnormal{False}$

The equality is false, therefore $\left( -4, 4\right)$ is not a solution of the equation

$\textnormal{}A\textnormal{}R\textnormal{}G\textnormal{}1\textnormal{} \textnormal{}i\textnormal{}s\textnormal{} \textnormal{}n\textnormal{}o\textnormal{}t\textnormal{} \textnormal{}a\textnormal{} \textnormal{}s\textnormal{}o\textnormal{}l\textnormal{}u\textnormal{}t\textnormal{}i\textnormal{}o\textnormal{}n\textnormal{}$

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