rayeann51owlh96 rayeann51owlh96
  • 16-05-2020
  • Mathematics
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a circle is centered at (-4,9)and has a radius of 11. what is the equation of the circle. use x and y​

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 16-05-2020

Answer:

(x + 4)^2 + (y-9)^2 = 121

Step-by-step explanation:

We can write the equation of a circle as

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

(x - -4)^2 + (y-9)^2 = 11 ^2

(x + 4)^2 + (y-9)^2 = 11 ^2

(x + 4)^2 + (y-9)^2 = 121

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