Which of the following is the equation of a circle with center (a, −b) and radius r? (x+a)2+(y−b)2=r2

(x−a)2+(y+b)2=r2

(x−a)2+(y+b)2=r

(x+a)2+(y−b)2=r

b. astronomers

2 and 1.

step-by-step explanation:

plug in each answer. 0 doesn't work, 1 does. so does 2. 4 doesn't:

0 = 1 is not true.

2 = 2 is true.

4 = 4 is true.

8 = 16 is not true.

hope this !

597

step-by-step explanation:

no this is a nonlinear negative