ayannibr0604 ayannibr0604
  • 08-05-2020
  • Mathematics
contestada

Write the equation of a circle with center (2, –8) and radius 9.
(x + 2)^2 + ( y - 8 )^2=9

Respuesta :

destinynv07 destinynv07
  • 08-05-2020

Answer:

Step-by-step explanation:

Answer Link
bhavya2vemuri
bhavya2vemuri bhavya2vemuri
  • 08-05-2020

Answer:

(x-2)^2+(y+8)^2=81

Step-by-step explanation:

so equation of a circle standard form:

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

where

(h,k) are the coordinate points

so lets substitute h=2 and k=-8

(x-2)^2+(y+8)^2=9^2

(x-2)^2+(y+8)^2=81

Hope this helps!

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