Question 981275d2

$Open parenthesis, x minus 6, close parenthesis, squared, plus, open parenthesis, y plus 5, close parenthesis, squared, equals 16$

In the xy-plane, the graph of the equation above is a circle. Point P is on the circle and has coordinates $10 comma negative 5$ . If $line segment P Q$ is a diameter of the circle, what are the coordinates of point Q ?

Geometry and Trigonometry - Circles