# What is the vertex form of #y=-1/3(x-3)(x/3+7) #?

##### 1 Answer

Dec 15, 2017

Vertex form of equation is

#### Explanation:

Vertex form of equation is

=

=

=

=

=

and vertex is

graph{ -1/9(x+9)^2+16 [-19, 1, 8, 18]}