Question

The ordered pairs in each exercise are for the same direct variation.
Find the missing value.

(3,2) and (6,y)

I don't know how to find the missing value ..

Answer 1

Assuming that "direct variation" means that the second number of each pair is a certain fixed ratio to the first number, then
3/2 = 6/y
3y = 12
y = ?

Answer 2

y=4?

Answer 3

yes, 4

Answer 4

well.....yes 4 but what if it was

Answer 5

(5,9), (15,y)