Center of circle = (5,-6)
equation = (x-5)^2+ (x+6)^2 = 3^2
Answer:
All of them
Step-by-step explanation:
Part A: In order to make an equation without a solution, all you need to do is this:


This makes the equation impossible, as no number equals itself plus two.
Part B: This is easier. Literally every random equation should work.


Now, use substitution:

x = 2