Answer:
Table B
Step-by-step explanation:
we know that
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form
or 
<em>Verify table B</em>
For
-----> 
For
-----> 
For
-----> 
For
-----> 
The values of k are the same
therefore
The table B shows y as DIRECTLY PROPORTIONAL to x
<em>Verify table D</em>
For
-----> 
For
-----> 
For
-----> 
For
-----> 
the values of k are different
therefore
The table D not shows y as DIRECTLY PROPORTIONAL to x
Answer:
D
Step-by-step explanation:
-2 = 3(-1) +1
-2 = -3 + 1
-2 = -2
Yes 0 is the correct answer