Respuesta :

Answer: a) yes b) yes c) no d) no

Step-by-step explanation:

in table a there is a repeating pattern.

1 x 4 = 4

2 x 4 = 8

8 x 4 = 12

4 x 4 = 16

in table b there is a repeating pattern.

-4 x 5 = 20

-3 x 5 = 15

-2 x 5 = 10

-1 x 5 = 5

In table c there is no repeating pattern.

2 x 12 = 24

4 x 3 = 13

In table c and d what their multiplying it by is different each time than in tables a and b.

For A k=4
For B not proportional
For C not proportional
For D k=2