Respuesta :

A is proportional. The line goes through (0, 0) and the slope stays constant at 1/2.

B is also proportional, as it goes through (0, 0) and the slope stays constant.

Answer:

Step-by-step explanation:

In (a), the line passes through the origin and thus represents a proportional relationship.  In (b) the line does not do that; it's been shifted up by 4 units.

(a) Yes

(b) No