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29 June, 17:02

The center of a circle is at (-2, - 7) and its radius is 6.

What is the equation of the circle?

A. (x-2) 2 + (y-7) 2=3

B. (x+2) 2 + (y+7) 2=3

C. (x+2) 2 + (y+7) 2=36

D. (x-2) 2 + (y-7) 2=36

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Answers (2)
  1. 29 June, 17:23
    0
    The correct option is C
  2. 29 June, 20:34
    0
    It is C. There are multiple ways you can arrive to this.

    You might remember the formula for the circrle:

    (x-a) ^2 + (y-b) ^2=r^2

    where (a, b) is the center of the circle and r is the radius.
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