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# When the product of two variables is a constant?

Updated: 10/27/2022

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13y ago

The Control Variable

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13y ago

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Q: When the product of two variables is a constant?
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### What is the relationship between two variables if the product of the variables is constant?

Inversely proportional.

Yes.

### When the product of two variables is constant the variables are proportional to each other?

Yes. They are inversely proportional. The proportion y &prop; 1/x, means xy=K, where K is the constant.

### What is the relationship between two variable if the product of the variables is constant?

inversely proportional or inverse proportion

### What is the constant of portionality?

If two variables are directly proportional to one another then the constant of proportionality is the ratio of their values. If they are in inverse proportion then the constant of proportionality is the product of their values.

### What are the two types of variables?

The two types of variables are the CONSTANT and CONTROL.

### What are the characteristics of inverse proportionality relationship?

If the product of two variables is equal to a constant, then they are inversely proportional. eg. If xy=c where c is a constant, then x and y are inversely proportional.

### What does constant of proportion mean?

If two variables are in direct relationship then the ratio of the two variables is known as the constant of proportion between them. In algebraic form, if X and Y are the two variables, then direct proportionality implies that Y = cX and c is the constant of proportionality.

### Is a constant a number variable or the product of a number and one or more variables?

A constant is not a variable at all, and none of its factors was a variable. It is constant.

### What is a constant ratio of two variables related proportionally?

It is the constant of proportionality.

### What is a constant ratio of two variables that are related proportionally?

It is the constant of proportionality.

### What variables are useful for two-way communication between modules?

Constant Variables