Solution: A circle has a diameter whose ends are at (-3, 2) and (12, -6). Its Equation is

Solution: Determine the equation of the circle whose center is at (4, 5) and tangent to the circle

Solution: Find the center of the circle x^2 + y^2 – 6x + 4y – 23 = 0

Solution: The diameter of a circle described by 9x^2 + 9y^2  = 16  is

Solution: What is the radius of the circle with the following equation?

Solution: The radius of the circle 2x^2 + 2y^2 – 3x + 4y – 1 = 0  is

Solution: If (3, -2) is on a circle with center (-1, 1), then the area of the circle is

Solution: Determine the length of the chord common to the circles

Solution: Find the shortest distance from the point (1, 2) to a point on the circumference of the circle

Solution: Determine the area enclosed by the curve x^2 – 10x + 4y + y^2 = 196