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Given the equation of the circle find the center and the radius:
(x - 3)2 + (y + 1)2 = 49

Given The Equation Of The Circle Find The Center And The Radius X 32 Y 12 49 class=

Sagot :

altavistard

Answer:

(3, -1), 7

Step-by-step explanation:

To find the center of this circle:  compare the given equation

(x - 3)^2 + (y + 1)^2 = 7^2   to the standard equation of a circle with center at (h, k):

(x - h)^2 + (y -k)^2 = r^2

From this comparison we see that the center is at

h = 3 and k = -1, and also that r must be 7:    (3, -1), 7

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