Answer:
slope = 1
Step-by-step explanation:
[tex]\frac{y_{2} -y_{1} }{x_{2}- x_{1} }[/tex]
(2,4) (0,2)
[tex]\frac{2-4}{0-2} = \frac{-2}{-2} = 1[/tex]
-2 I think im not 100% sure
