Mathematics, 17.04.2021 01:00 DarkWolf983

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

B. (x+a)2+(y−b)2=r2

C. (x+a)2+(y−b)2=r

D. (x−a)2+(y+b)2=r

2. A given circle has the equation x2+y2−4x−2y+4=1. What is the center of the circle?
A. (1, 2)

B. (−2, −1)

C. (−1, −2)

D. (2, 1)

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1. Which of the following is the equation of a circle with center (a, −b) and radius r? A. (x−a)2+(...

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