Question

please help? i already have one of the two equations.
Concentric circles have the same center but different ri. Write equations for two concentric circles centered at

Answer 1

the first equation is (x+3)^2+(y-5)^2=49

Answer 2

@agent0smith can you help

Answer 3

If you understood how to get the first, second should be easy. It's a circle centered at (-3,5) with radius 9.

Answer 4

would it be basically the same thing but it would just equal something different?

Answer 5

ok wait.

Answer 6

i just re looked at the formula to get it and i understand it now haha

Answer 7

itd equal 81