Answer:
post the whole thing
Step-by-step explanation:
then ill do it
Answer:
The focus is: 
Step-by-step explanation:
Given

Required
Determine the focus
The focus of a parabola

is:

So, we have:

Cross multiply

Rewrite as:

Rewrite as:

Express 8 as 4 * 2

By comparison with: 

So, the focus
is:


The answer is c. i hope i helped