122k views
3 votes
Write the equation of a circle with a center at (–7, –7) and a radius of 7

User Aksamit
by
8.0k points

1 Answer

4 votes
The equation of a circle with center at (h,k) and radius 7 is

(x-h)^2 + (y-k)^2 = r^2. Let's substitute the given values:

(x-[-7])^2 + (y-[-7])^2 = 7^2.

Simplifying, (x+7)^2 + (y+7)^2 = 49. This is the equation of the given circle.
User Beginh
by
8.3k points