\[y = \sqrt{x}\]
| \[x\] | \[9\] | \[4\] | \[1\] | \[0\] |
|---|---|---|---|---|
| \[y\] | \[3\] | \[2\] | \[1\] | \[0\] |

\[\left\{ \begin{matrix}
y = \sqrt{x}\text{\ \ \ \ \ \ \ \ } \\
x - 2y = 0 \\
\end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ }\]
\[\left\{ \begin{matrix}
y = \sqrt{x}\ \\
2y = x\ \\
\end{matrix} \right.\ \text{\ \ \ \ \ \ \ }\]
\[\left\{ \begin{matrix}
y = \sqrt{x} \\
y = \frac{x}{2}\text{\ \ \ } \\
\end{matrix} \right.\ \]
\[\left( \sqrt{x} \right)^{2} = \left( \frac{x}{2} \right)^{2}\]
\[x = \frac{x^{2}}{4}\ \ \ \ \ \ \ | \cdot 4\]
\[4x = x²\]
\[x^{2} - 4x = 0\]
\[x(x - 4) = 0\]
\[x = 0;\ \ \ \ \ x = 4\]
\[y(0) = \frac{0}{2} = 0\]
\[y(4) = \frac{4}{2} = 2\]
\[Ответ:(0;0);\ \ (4;2).\]