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dexar [7]
3 years ago
5

The variables x and y vary directly. if one pair of the values is x = 3 and y = 12, write an equation that shows the relationshi

p between x and y.

Mathematics
2 answers:
8090 [49]3 years ago
7 0
The variables x and y vary directly. if one pair of the values is x = 3 and y = 12, write an equation that shows the relationship between x and y.

Leno4ka [110]3 years ago
6 0
If they vary directly then they increase at the same amount
This can be written out with the equation
y/x=k k being the constant of the variation
In this case 12/3=4 the constant is 4
So you can say y=4x
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