CBSE Class 8 Answered
In the following table, does x and y vary directly with each other?
x
5
7
9
11
y
15
21
36
33
Asked by Topperlearning User | 02 Sep, 2015, 01:20: PM
Expert Answer
We know that two quantities x and y vary directly if the ratio remains constant, so we find the ratio in each case.
x |
5 |
7 |
9 |
11 |
y |
15 |
21 |
36 |
33 |
Ratio |
|
|
|
|
Clearly, the ratio is not same for all the cases.
Thus x and y are not varying directly.
Answered by | 02 Sep, 2015, 03:20: PM
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