# How do you find the inverse of #y-3x=0#?

##### 1 Answer

Feb 5, 2016

#### Explanation:

**1. Rearrange the equation in the form y=mx+b.**

#y-3x=0#

#y=3x#

**2. Switch the positions of x and y.**

#x=3y#

**3. Isolate for y.**

#y=x/3#

**4. Rewrite the equation using inverse function notation.**

#color(green)(f^-1(x)=x/3)#