\[- \sqrt{19}\ \ и\ \ 3,4\]
\[3,4 = \sqrt{11,56};\ \ \ \ - \sqrt{16} = - 4;\ \ \ \ \]
\[- \sqrt{9} = - 3;\ \ \]
\[- \sqrt{4} = - 2;\ \ \ \ - \sqrt{1} = - 1;\ \ \ \ \]
\[\sqrt{0} = 0;\ \ \ \ \sqrt{4} = 2;\ \ \ \ \sqrt{9} = 3.\]
\[Ответ:\ - 4,\ - 3,\ - 2,\ - 1,\ 0,\ 1,\ 2,\ 3.\]