kingdomliving5p6tstk kingdomliving5p6tstk
  • 07-04-2018
  • Mathematics
contestada

What is the radius of a circle whose equation is x squared plus y squared minus 10x + 6 y + 18 equals 0

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jelkhechen86
jelkhechen86 jelkhechen86
  • 14-04-2018
x^2 -10x+25+y^2+6y+9+18=34
(x-5)^2 +(y+3)^2 =34-27=7

radius=square root 7
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