Answer:
Proportionality= Yes
Equation: y = 4x
Explanation:
We can start by dividing the Y's by the X value across from it.
16/4
8/2
-8/-2
-16/-4
When we do this, every answer is the same. It ends up as 4. That means it is proportional in terms of
y = 4x and that's because the x value times 4 equals the y value