Circle touching one axis at a given point and cutting a given intercept on the other

1. A.
   $\sqrt{53}$
2. B.
   9
3. C.
   8
4. D.
   $\sqrt{82}$

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1. A.
   $\left( \alpha,\beta^{2} + 4\gamma \right)$
2. B.
   $\left( \gamma,\beta^{2} - 4\alpha \right)$
3. C.
   $\left( \gamma,\beta^{2} + 4\alpha \right)$
4. D.
   $\left( \alpha,\beta^{2} - 4\gamma \right)$

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1. A.
   8
2. B.
   6
3. C.
   $6\sqrt{2}$
4. D.
   $8\sqrt{2}$

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