\[\boxed{\text{1160.\ }\text{еуроки}\text{-}\text{ответы}\text{\ }\text{на}\text{\ }\text{пятёрку}}\]
\[y = (a - 2)x + 3\]
\[\textbf{а)}\ a - 2 > 0\]
\[a > 2.\]
\[\textbf{б)}\ a - 2 < 0\]
\[a < 2.\]
\[\textbf{в)}\ a - 2 = 0\]
\[a = 2.\]