Yes it is the last choice. You are correct
Answer:
The coefficient is 
Step-by-step explanation:
The given sum is

We can choose to add only the coeffients of
or simplify the whole sum.

We collect the LCM for the
terms;

This will give us;

Which is the same as

The coefficient is 
C because its not in any quadrant because the Y isn't stated so the point -10,0 is located on the X-axis
I can’t see your upload pls upload again!! Thank u
If this is multiple choice im gonna say C