Answer:
The minimum value is
or 
Step-by-step explanation:
we have

This is the equation a vertical parabola open upward
The vertex represent a minimum
The general equation in vertex form is

where
(h,k) is the vertex
Convert the given function in vertex form

Factor 2

Complete the square


Rewrite as perfect squares

The vertex is the point 
There's this all that's called photomath. it should get I for you
2^(-6) or 1/(2^6) . You can pick either one
Answer:
Step-by-step explanation:
X= -3
Here's why: The directrix always goes behind the vertext of the parabola (thus the -3), and follows the curve (this parabola demands a vertical line, and we know x=a number creates a vertical line on a graph).