wildddd wildddd
  • 15-12-2018
  • Mathematics
contestada

which expression represents a circle with a center at (2, -8) and a radius of 11?

which expression represents a circle with a center at 2 8 and a radius of 11 class=

Respuesta :

jimrgrant1 jimrgrant1
  • 15-12-2018

Answer:

(x - 2)² + (y + 8)² = 121

Step-by-step explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

here (h, k) = (2, - 8) and r = 11, hence

(x - 2)² + (y + 8)² = 121


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