Which table represents a direct variation between x and y?

Question

x y

5 10

10 15

15 20

20 25

x y

5 15

10 20

15 25

20 30

x y

5 20

10 25

15 30

20 35

x y

5 25

10 50

15 75

20 100

Answer 1

you're looking for a table where the relationship between the two variables has a constant ratio

that applies to the final table here where there is a constant of proportionality of k = 5

Answer 2

last group have a direct relation between y and x

y=kx where k=5

y = 5x