Question

Here is an equation for a circle: (x-3)^2 + (y+10)^2 = 81.

Answer 1

Answer: 2.

Step-by-step explanation: Write the equation of the circle using h = 2, k = –1, and r = ... (x – 1). 2. + y. 2. = 4 is a circle with center (1, 0) and a radius of 2.