Circle

Find the center of the circle whose equation is (x + 5)² + (y + 8)² = 16

(-5, -8)

Find the center of the circle whose equation is 3x² + 3y² = 75.

(0,0)

Find the center of the circle whose equation is x² + y² = 4.

(0,0)

Find the center of the circle whose equation is (x - 2)² + (y - 4)² = 9.

(2,4)

Find the center of the circle whose equation is x² - 10x + y² - 10y = -1.

(5,5)

Find the center of the circle whose equation is (x² - 10x + 25) + (y² - 16y + 64) = 16.

(5,8)

Find the radius of the circle whose equation is x² + y² = 4.

2

Find the radius of the circle whose equation is (x - 2)² + (y - 4)² = 9.

3

Find the radius of the circle whose equation is (x + 5)² + (y + 8)² = 16

4

Find the radius of the circle whose equation is (x² - 10x + 25) + (y² - 16y + 64) = 16.

4

Find the radius of the circle whose equation is 3x² + 3y² = 75.

5

Find the radius of the circle whose equation is x² - 10x + y² - 10y = -1.

7

All points on a circle's circumference are of equal length from the center of the circle. Which of the following is the name of the line segment that joins the center of the circle to any point on its circumference?

radius