# How do you write a general formula to describe each variation if y varies inversely with #sqrt x#; y =4 when x=9?

##### 1 Answer

Feb 11, 2017

#### Answer:

#### Explanation:

In an inverse variation, as one quantity increases, the other decreases: It is shown as

However, in this case the inverse variation is with

All variations (also called proportions) are connected by a constant,

Use the given values for

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