sisser1997
sisser1997 sisser1997
  • 13-05-2017
  • Mathematics
contestada

the equation of a circle is (x-7)^2 +y^2=225. which of the following are the center and the radius of the circle?

Respuesta :

evrettelian32 evrettelian32
  • 15-05-2017
(x-7)^2+y^2=225={x-7- 225-y2}
                              x=225-y2+7
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