Question

Which of the following tables represents a proportional relationship?

Input
Input Output
7
21
35
49
1357
Input Output
5
42
10
75
15
110
20
145
Input Output
18
46
74
102
26
10
14
Input Output
30
4567
37
44
51

Answer 1

The top left answer is correct.

Explanation:

If you take each ordered pair and put them in the form y/x. The top left corner is the only one where all of the equations are equivalent.

7/1 = 21/3 = 35/5 = 49/7