# Math

Does the relation in the table represent direct variation, inverse variation, or neither? If it is direct or inverse variation, write an equation to represent the relation. Explain your answer.

x; 5,10,15,20
y; 2,1 ,2/3,1/2

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1. if xy is constant, it's inverse. xy=k
If y/x is constant, it's direct. y=kx

So, take a look and see what you find.

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2. inverse ... y gets smaller as x gets bigger

x y = 10

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