Tati_Lee
(x 5)2 + (y + 2)2 = 64
The radius of the circle is ________ units.



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Brittni0605
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whats the general equation of a circle?

surdawi
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(xh)^2+(yk)^2 = r^2
what is the radius ?

Brittni0605
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@surdawi has given you the answer to what I asked.

Tati_Lee
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x^2  25 + y^2 + 4 = 64 ... am i do this right so far? @Brittni0605 & @surdawi

Brittni0605
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You're going to far. YOU just want the radius

surdawi
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you dont have to distribute
(xh)^2+(yk)^2 = r^2
(x 5)2 + (y + 2)2 = 64
what is the radius

Tati_Lee
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so its 64

Brittni0605
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dw:1352679632663:dw

surdawi
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thats r^2
what is r?

Tati_Lee
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ohhhhhh 4096?

Brittni0605
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No..

Tati_Lee
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idk how to do this _

surdawi
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dw:1352679711089:dw

Brittni0605
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dw:1352679710207:dw

Tati_Lee
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oh 8

Brittni0605
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Yes!

Tati_Lee
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thank you!

Tati_Lee
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both

Brittni0605
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Np.