xanwest1112
xanwest1112 xanwest1112
  • 12-05-2021
  • Mathematics
contestada

Write the equation of a circle with a center at (-12, -11) and a radius of 7.​

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gurungrekha491
gurungrekha491 gurungrekha491
  • 12-05-2021

let h=-12, k=-11 then

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

(x+12)^2 + (y+11)^2 = 7^2

x^2 + 24x + 144 + y^2 + 22y + 121 = 49

x^2 + y^2 + 24x + 22y + 144+121-49= 0

x^2 + y^2 + 24x + 22y + 216 = 0 is the required eq

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