Direct and inverse proportion by Boxed Rockets

Are These Direct or Inverse Proportion?

Question 1:

x	2	8
y	28	112

Direct

Question 2:

x	2	3
y	4	6

Direct

Question 3:

x	7	10
y	150	105

Inverse

Question 4:

x	3	2
y	45	30

Direct

Question 5:

x	2	10
y	70	14

Inverse

Question 6:

x	7	4
y	14	8

Direct