spiccegirl7 spiccegirl7
  • 25-06-2018
  • Mathematics
contestada

Which of the following is the standard equation for a circle with a center at the origin ?

x^2 - y^2 = r

x^2 - y^2 = r^2

x^2 + y^2 = r^2

x^2 + y^2 = r

Respuesta :

jbblackburn jbblackburn
  • 25-06-2018
It is x^2+y^2=r^2, or c
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