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10 November, 03:24

1. Find the center and radius of the circle with equation (x + 2) ^2 + (y + 10) ^2 = 4

Center

Radius

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Answers (1)
  1. 10 November, 04:25
    0
    The center is the opposite of the numbers in the brackets. So, the centre would be:

    (-2, - 10)

    The radius is the square root of what this is equal to, and the square root of 4 is 2.

    So center = (-2, - 10) and radius = 2
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