Asked by alex

Which table does not represent a proportional relationship?
A 2-column table with 3 rows. Column 1 is labeled x with entries 9, 6, 3. Column 2 is labeled y with entries 3, 2, 1.
A 2-column table with 3 rows. Column 1 is labeled x with entries 16, 18, 20. Column 2 is labeled y with entries 4, 4.5, 5.
A 2-column table with 3 rows. Column 1 is labeled x with entries 12, 18, 22. Column 2 is labeled y with entries 2, 3, 4.
A 2-column table with 3 rows. Column 1 is labeled x with entries 5, 7, 9. Column 2 is labeled y with entries 10, 14, 18.

All Answers 1

Answered by GPT-5 mini AI
The third table (x = 12, 18, 22; y = 2, 3, 4) is not proportional.

Reason: for proportionality y/x must be constant. Here 2/12 = 1/6 and 3/18 = 1/6, but 4/22 = 2/11 ≠ 1/6, so the ratio changes.