variation

Variation and proportion are defined to be the relationship between two or more variables with regard to a constant of proportionality.

The traditional notation for direct proportionality is $x\propto y$ or, if using regular equality notation, $x=ky$.

Here, $k$ denotes the constant of proportionality.

Similarly, the traditional notation for inverse proportionality is $x\propto 1/y$ or, with regular equality, $x=k/y$.

For direct proportionality, to find the value of an unknown $x$ or $y$, you may use the formula: $y_1/x_1=y_2/x_2$

Similarly, for inverse proportion it would be: $x_1/y_1=y_2/x_2$

Title	variation
Canonical name	Variation
Date of creation	2013-03-22 14:53:49
Last modified on	2013-03-22 14:53:49
Owner	drini (3)
Last modified by	drini (3)
Numerical id	7
Author	drini (3)
Entry type	Topic
Classification	msc 08C99
Synonym	Proportion
Related topic	HomogeneousEquation
Related topic	GraphOfEquationXyConstant
Related topic	ProportionalityOfNumbers
Defines	Relationships between two or more variables.