What is 2-x^2-y^2=0 ?

The solution to 2-x^2-y^2=0 is Circle with (a,b)=(0,0),r=sqrt(2)

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2-x^2-y^2=0

2 - x^{2} - y^{2} = 0

(a, b) = (0, 0), r = 2

Solution steps

2 - x^{2} - y^{2} = 0

Rewrite

2 - x^{2} - y^{2} = 0

in the form of the standard circle equation

(x - 0)^{2} + (y - 0)^{2} = (2)^{2}

Therefore the circle properties are:

(a, b) = (0, 0), r = 2

2 x^{2} + 8 x + 2 y^{2} = 0

x^{2} + y^{2} - 144 = 0

(x - 16)^{2} + (y - 6)^{2} = 1

3 x^{2} + 3 y^{2} - 9 x + 27 y = 5

2 x^{2} + 2 y^{2} + 8 x + 4 y - 3 = 0

What is 2-x^2-y^2=0 ?
The solution to 2-x^2-y^2=0 is Circle with (a,b)=(0,0),r=sqrt(2)