# What are the vertex, focus and directrix of # y=x^2+4x+4 #?

##### 1 Answer

Jun 29, 2018

Vertex=

Its directrix is

it's focus is

#### Explanation:

the parabola is opened upwards

If a parabola is opened upwards then its equation will be

where

it's directrix is

and its focus is

so applying this for the following equation

it's vertex is

it's directrix is

it's focus is