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12 March, 19:42

Write the equation of the circle with center (2, - 3) and a radius of 4.

A) (x + 2) ^2 + (y - 3) ^2 = 4

B) (x - 2) ^2 + (y + 3) ^2 = 4

C) (x + 2) ^2 + (y - 3) ^2 = 16

D) (x - 2) ^2 + (y + 3) ^2 = 16

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Answers (1)
  1. 12 March, 21:58
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    C (h, k) radius (r)

    C (2,-3) r=4

    (x-h) ^2 + (y-k) ^2 = r^2

    (x-2) ^2 + (y--3) ^2 = 4^2

    (x-2) ^2 + (y+3) ^2 = 16

    therefore, the answer is D
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