Direct and inverse proportion by Boxed Rockets

Are These Direct or Inverse Proportion?

Question 1:

x	7	3
y	18	42

Inverse

Question 2:

x	5	7
y	55	77

Direct

Question 3:

x	10	4
y	8	20

Inverse

Question 4:

x	4	8
y	120	60

Inverse

Question 5:

x	2	1
y	18	9

Direct

Question 6:

x	10	8
y	140	112

Direct