dayanaramartinez112 dayanaramartinez112
  • 25-04-2020
  • Mathematics
contestada

Can someone show me how to do it and the answer

Can someone show me how to do it and the answer class=
Relax

Respuesta :

xxamari
xxamari xxamari
  • 25-04-2020

Answer:

B

Step-by-step explanation:

The equation of a circle is

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

h= 9, k = -7

r = 2, so r^2 = 4.

We now know that the equation must equal 4, so we can rule out answers A and C.

Plug in the values for h and k to get

(x-9)^2 + (y+7)^2 = 4

Choice B is correct!

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