You haven't told us what the choices are, so there's no way for anybody to help you pick the correct one.
There are an infinite number of points that are 6 units from (3, -4) .
They form the circle with its center at that point and a radius of 6.
Here are a few points that meet the requirements:
(-3, -4), (9, -4), (3, -10), (3, 2) .
