Problem 483

 

Write the equation of a circle with a center at (-2, -5) and a radius of 6.5.

 

Solution:-

 

Use the general formula (x – h)² + (y – k)² = r².

 

Where (h, k) are the center and r = radius.

 

(x + 2)² + (y + 5)² = 42.25