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Write an equation of a circle with the given center and radius.

center (2, 4) and radius 5

A, (x - 2 ) ^ 2 + (y + 4) ^ 2 = 5
B, (x + 2) ^ 2 + (y - 4 ) ^ 2 = 5
C, (x + 2) ^ 2 + (y - 4) ^ 2 = 25
D, (x - 2) ^ 2 + (y - 4) ^ 2 = 25

Respuesta :

altavistard

Answer:

(x-2)^2 + (y-4)^2 = 5^2

Step-by-step explanation:

Hello!

The standard equation of a circle with center at (h,k) and radius r is:

(x+h)^2 + (y-k)^2 = r^2.  

Filling in the known info (h=2, k=4, r =5), we get:

(x-2)^2 + (y-4)^2 = 5^2

Dolphinlover021

Answer: (x-2)^2 + (y-4)^2 = 5^2

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