# Is #x-3y=0# a direct variation equation and if so, what is the constant of variation?

##### 1 Answer

May 2, 2018

Yes, it is a direct variation. See explanation.

#### Explanation:

A direct variation is any function in a form:

#f(x)=ax#

The given function is:

#x-3y=0#

To transform it to

#x-3y=0#

#x=3y#

#y=1/3x#

This proves that the function is a direct variation and the constant of variation is: