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What is the center of the circle x² + y2 - 4 = 0?

Sagot :

Answer:

(0,0)

Desmos graphing calculator is a great way to enter the formula of a circle and see a visual example.

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Answer: (0,0)

Explanation: The equation for a circle is (x - h)^2 + (y - k)^2 = r^2, where (h,k) is the vertex and r is the radius. Rearranging the given equation, we have that x^2 + y^2 = 4. Therefore, the center of the circle is (0,0), and its radius is 2.
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