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julsineya [31]
3 years ago
8

What is the equation of a circle with center (2,-5) and radius 4?

Mathematics
1 answer:
anastassius [24]3 years ago
7 0

Answer:

Choice C

Step-by-step explanation:

The Equation of a circle is (x-h)^2+(y-k)^2=r^2, where h and k are the x and y coordinates respectively of the center of the circle, and r is the radius. Because the center here is (2, -5), we have (x-2)^2+(y- - 5)^2, and the two minuses become (y+5)^2. This eliminates A and B. The radius is 4, so r^2=16, and thus, we get C.

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