Question

The center of the circle is at the point, and its radius is units. The equation of this circle in standard form is

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Answer 1

Explanation:

The equation of a circle written in the form (x−h)2+(y−k)2=r2 where (h,k) is the center and r is the radius. The circle centered at the origin with radius 1; its equation is x2+y2=1.

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