Respuesta :

Answer:

Undefined

Step-by-step explanation:

Slope [tex]=\frac{y_{2}-y_1 }{x_2-x_1}[/tex]

When [tex]y_{1} \neq y_2[/tex] and [tex]x_1=x_2[/tex] the slope is ∞

[tex]m=[/tex] ∞