Question

find the equation of the circle with center (3,0 ) and radius 4
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Answer 1

Answer:

Explanation: The equation of a circle is (x−h)2+(y−k)2=r2 , where (h,k) is the center and r is the radius. If the center is at (−3,0) and the endpoint of the radius is at (3,0) , then the length of the radius is the distance between the two points, which is 3−(−3)=6