Respuesta :

Answer:

D. [tex]x^{2} + y^{2} = 10\cdot y[/tex]

Step-by-step explanation:

The equvalent form of the equation is:

[tex]\sqrt{x^{2}+y^{2}} = 10\cdot \left(\frac{y}{\sqrt{x^{2}+y^{2}}} \right)[/tex]

[tex]x^{2} + y^{2} = 10\cdot y[/tex]

The answer is D.