Answer:
• from the line, consider points (0, 3) and (2, 2)
[tex]{ \rm{slope = \frac{y _{2} - y _{1} }{x _{2} - x _{1} } }} \\ [/tex]
[tex] \hookrightarrow \: { \rm{slope = \frac{2 - 3}{2 - 0} }} \\ \\{ \rm{slope = \frac{ {}^{ - }1 }{2} }} \\ \\ { \boxed{ \tt{slope = - \frac{1}{2} }}}[/tex]
