Circle P has a diameter with endpoints at (–4, 3) and (1, 6). Find the center of the circle.

The center of a circle is the midpoint of its diameter. Average the endpoints’ x-coordinates and y-coordinates: ((–4 + 1)/2, (3 + 6)/2) = (–1.5, 4.5). So the center is (–1.5, 4.5), choice A.

AI-written and checked against the verified answer.