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10 February, 23:55

What is the center of the circle given by the

equation (x + 17) 2 + (y - 4) 2 = 23?

A. (-4, 17)

B. (-17, 4)

C. (17, - 4)

D. (4, - 17)

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Answers (1)
  1. 11 February, 00:51
    0
    B. (-17, 4)

    Step-by-step explanation:

    We can write the equation of a circle in the form

    (x-h) ^2 + (y-k) ^2 = r^2 where (h, k) is the center and r is the radius

    (x + 17) ^2 + (y - 4) ^2 = 23

    (x - - 17) ^2 + (y - 4) ^2 = (sqrt (23)) ^2

    The center is (-17,4) and the radius is (sqrt (23)
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