Find the center and radius of the circle x2 + (y+8) 2=4

Question

Mathematics

Hazel Fletcher

12 June, 04:43

Find the center and radius of the circle x2 + (y+8) 2=4

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Answers (1)

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Charisma · Answer 1

Answer: Center (0, - 8) and Radius = 2

The standard equation of a circle is (x-h) ² + (y-k) ² = r² where (h, k) is the center and r is the radius.

You can write the equation as (x-0) ² + (y - (-8)) ² = 2². From this, you can conclude that the center is (0,-8) and the radius is 2.