Proportional relationship 3
Which table below shows a proportional relationship?
A.
B.
C.
D.
A.
| x | y |
|---|---|
| 3 | 12 |
| 4 | 16 |
| 5 | 20 |
| 6 | 24 |
| 7 | 28 |
| x | y |
|---|---|
| 3 | 15 |
| 4 | 20 |
| 5 | 25 |
| 6 | 35 |
| 7 | 40 |
| x | y |
|---|---|
| 3 | 24 |
| 4 | 32 |
| 5 | 45 |
| 6 | 48 |
| 7 | 56 |
| x | y |
|---|---|
| 3 | 21 |
| 4 | 24 |
| 5 | 35 |
| 6 | 42 |
| 7 | 49 |
Correct answer:
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Dr Math
Hint: To know if a relationship is proportional, you should look at the ratios between the two variables. If the ratio is always the same, the relationship is proportional. If the ratio changes, the relationship is not proportional
Y= const * X
Y= const * X
You need to know the following knowledge to solve this word math problem:
geometryarithmeticbasic operations and conceptsGrade of the word problem
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