What is 2y-y^2-6x-x^2=9 ?

The solution to 2y-y^2-6x-x^2=9 is Circle with (a,b)=(-3,1),r=1

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2y-y^2-6x-x^2=9

2 y - y^{2} - 6 x - x^{2} = 9

(a, b) = (- 3, 1), r = 1

Solution steps

2 y - y^{2} - 6 x - x^{2} = 9

Rewrite

2 y - y^{2} - 6 x - x^{2} = 9

in the form of the standard circle equation

(x - (- 3))^{2} + (y - 1)^{2} = 1^{2}

Therefore the circle properties are:

(a, b) = (- 3, 1), r = 1

(x + 4)^{2} + (y + 2)^{2} = 4

x, x^{2} + Y (x)^{2} = 9

3 x^{2} + 3 y^{2} + 6 y - 20 = 0

x^{2} + y^{2} > 9

x^{2} + y^{2} - 4 x + 2 y + 1 = 0

What is 2y-y^2-6x-x^2=9 ?
The solution to 2y-y^2-6x-x^2=9 is Circle with (a,b)=(-3,1),r=1