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Question
Which quantities in the previous question vary inversely with each other?
Options
x and y
p and q
r and s
u and v
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Solution
u and v
Explanation:
| u | 2 | 4 | 6 | 9 | 12 |
| v | 18 | 9 | 6 | 4 | 3 |
If u = 2, then v = 18
If u = 4, then v = 9
If u = 6, then v = 6
If u = 9, then v = 4
And if u = 12, then v = 3
It shows, when u increases, then v decreases.
Hence it is inversely with each other.
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