Question

A diameter of a circle has endpoints P(-10,-2) and Q(4,6)

A. Find the center of the circle
B. Find the radius. If your answer is not my an integer, express it in radical form.
C. Write an equation for the circle.

Answer 1

Answer:
the center: (-3; 2)
the radius: √65
the equation of the circle: (x + 3)² + (y - 2)² = 65