\[\boxed{\mathbf{193}\text{.}\text{\ }\text{ОК\ ГДЗ\ -\ домашка\ на\ 5}}\]
\[y = ax²\]
\[\textbf{а)}\ ax^{2} \geq 0\ \ \ при\ \ a \geq 0;\]
\[\textbf{б)}\ \ ax^{2} \leq 0\ \ при\ \ a \leq 0\text{.\ }\]