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Ghella [55]
2 years ago
15

How to write an equation in standard form for a circle of other radius 3 centered at the origin

Mathematics
2 answers:
natali 33 [55]2 years ago
5 0

Answer:

from \: general \: equation \\  {x}^{2}  +  {y}^{2}  + 2gx + 2fy + c = 0 \\ at \: the \: origin \:  \: g = 0 \: and \: f = 0 \\since \: c =  {g}^{2}  +  {f}^{2} +  {r}^{2}  \\ whe re \: r \: is \: radius \\  therefore \: c =  {3}^{2}  = 9 \\  =  >  {x}^{2}  +  {y}^{2}  + 9 = 0

Y_Kistochka [10]2 years ago
3 0

Answer:

What is the diameter of a circle if the radius is 3

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