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Mrfootballman97

  • 3 years ago

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  1. Mrfootballman97
    • 3 years ago
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    write an equation of each circle described:

  2. Shiv99
    • 3 years ago
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    simply get the radius using distance formula and then u have centre and radius u'll get eqn of circle

  3. Mrfootballman97
    • 3 years ago
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    So the radius is \[\sqrt{10}\]

  4. SweetsAndEverything
    • 3 years ago
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    @Mrfootballman97 Use this formula: \[(x-a)^{2} + (y-b)^{2} = r ^{2}\]

  5. goformit100
    • 3 years ago
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    (x−a)2+(y−b)2=r2

  6. Shiv99
    • 3 years ago
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    no duh it \[\sqrt{26}\]

  7. Mrfootballman97
    • 3 years ago
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    so the final answer is? Im a little confused right now. If someone just tells me the answer ill be able to see how you did it.

  8. Shiv99
    • 3 years ago
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    hey that not to find radius use\[\sqrt{(x_{1}-x_{2})^2+(y_{1}-y_{2})^2}\]

  9. Shiv99
    • 3 years ago
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    @Mrfootballman97 use above formula to get radius and then equation of circle answer would be \[x^2+(y-4)^2=26\]

  10. Mrfootballman97
    • 3 years ago
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    thank you!

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