Consider the circle, which has 4 intersection points with axes, on the graph.


Find the centre of the circle.

Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: Consider the circle, which has 4 intersection points with axes, on the graph.


Find the centre of the circle.

Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: Consider the circle, which has 4 intersection points with axes, on the graph.


Find the centre of the circle.
