alilootah12345 alilootah12345
  • 08-06-2021
  • Mathematics
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Circle o centered at the origin that passes through (9,-2)

Respuesta :

sk5634943
sk5634943 sk5634943
  • 08-06-2021

Answer:

Step-by-step explanation:

center at the origin means

x^2 + y^2 = r^2

9^2 + (-2)^2 = 81+4 = 85, so the circle is

x^2 + y^2 = 85

center at (0,-2) means

x^2 + (y+2)^2 = r^2

(-6)^2 + (0+2)^2 = 36+4 = 40

x^2 + (y+2)^2 = 40

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