\[\boxed{\text{956\ (956).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ \text{M\ }( - 3;10):\ \ \]
\[3x + y = - 1\ \ \]
\[3 \cdot ( - 3) + 10 = - 1\]
\[- 9 + 10 = -\]
\[1 \neq - 1 \Longrightarrow не\ проходит.\]
\[2)\ \text{N\ }(4;\ - 13):\ \ \]
\[3x + y = - 1\ \]
\[3 \cdot 4 - 13 = - 1\]
\[12 - 13 = - 1\ \ \]
\[- 1 = - 1 \Longrightarrow проходит.\]
\[3)\ \text{K\ }(0;\ - 1):\ \ \]
\[3x + y = - 1\]
\[3 \cdot 0 - 1 = - 1\]
\[- 1 = - 1 \Longrightarrow проходит.\]