anonymous
  • anonymous
What is the equation of this circle? (x – 1)2 + y2 = 2 (x + 1)2 + y2 = 4 (x + 1)2 + y2 = 2 (x – 1)2 + y2 = 4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
anonymous
  • anonymous
http://www.mathwarehouse.com/geometry/circle/equation-of-a-circle.php this help?
anonymous
  • anonymous
Kinda but if you look at the picture, the radius is 5 right? 5*5=25 and that's not an answer?

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anonymous
  • anonymous
radious is 2 actually
anonymous
  • anonymous
Oh how? :/
anonymous
  • anonymous
cuzz the diameter is 4 and half the diameter is riadius so it 2
jim_thompson5910
  • jim_thompson5910
take a look at this
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anonymous
  • anonymous
(x−h)^2+(y−k)^2=r^2 just plug in (x−1)^2+(y−0)^2=2^2 then expans and such
anonymous
  • anonymous
(x−1)^2+(y−0)^2=2^2 (x-1)^2+y^2 = 4
anonymous
  • anonymous
Okay awesome, thank you! (:

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