# How do you write the equation of the parabola in vertex form given vertex (0,0) and directrix x=6 ?

##### 1 Answer

Sep 11, 2017

#### Explanation:

The eqn. of the **Parabola** having the **Vertex** at the **Origin**

**Directrix**

From this follows the **desired** eqn. of the **Parabola :**

graph{y^2=-24x [-40, 40, -20, 20]}