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 | 2nd Sep, 2015, 01:20: PM
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 | 2nd Sep, 2015, 03:20: PM
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