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zavuch27 [327]
3 years ago
10

Write an equation of the circle with center (-7,4) and radius 11.

Mathematics
2 answers:
olga_2 [115]3 years ago
7 0

Answer: (x+7)^2 + (y-4)^2 = 121  or  (x+7)^2 + (y-4)^2 = 11^2

Step-by-step explanation:

Equation of the circle is:

(x-h)^2+(y-k)^2=r^2 , which is the center (h,k) and the radius r^2

-Place the center (-7,4) and radius 11 onto that equation:

(x+7)^2+(y-4)^2=121 (if simplified radius needed)

or

(x+7)^2(y-4)^2=11^2

dimulka [17.4K]3 years ago
7 0

Answer:

(x + 7)^2 + (y - 4)^2 = 121.

Step-by-step explanation:

The standard form is

(x - h)^2 + (y - k)^2 = r^2 where (h, k) is the center and r = the radius of the circle.

So the required equation is

(x - (-7))^2 + (y - 4)^2 = 11^2

(x + 7)^2 + (y - 4)^2 = 121.

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