anonymous
  • anonymous
help for medal
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credit. x2 + 2x + y2 + 4y = 20
anonymous
  • anonymous
help with what?
anonymous
  • anonymous

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anonymous
  • anonymous
oh, ok
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
Wait a moment, I need to figure it out.
freckles
  • freckles
\[u^2+ku+(\frac{k}{2})^2 \\ =(u+\frac{k}{2})^2 \]
anonymous
  • anonymous
jf after you get done helping him an you help me plz?
freckles
  • freckles
we are going to need to complete the squares
freckles
  • freckles
\[x^2+2x+?=(x+\frac{?}{2})^2\] look at the formula above in tell me what the ? needs to be
anonymous
  • anonymous
ok, samuel
anonymous
  • anonymous
I got the answer thanks doe

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