What is -y^2=x^2-49 ?

The solution to -y^2=x^2-49 is Circle with (a,b)=(0,0),r=7

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-y^2=x^2-49

- y^{2} = x^{2} - 49

(a, b) = (0, 0), r = 7

Solution steps

- y^{2} = x^{2} - 49

Rewrite

- y^{2} = x^{2} - 49

in the form of the standard circle equation

(x - 0)^{2} + (y - 0)^{2} = 7^{2}

Therefore the circle properties are:

(a, b) = (0, 0), r = 7

2 y + x = (x - 1)^{2} + y^{2} - 5

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

45 x^{2} + 45 y^{2} = - 4 x

x^{2} - 2 x + y^{2} = \frac{466}{25}

(x + 1)^{2} + (y - 3)^{2} = (50)^{2}

What is -y^2=x^2-49 ?
The solution to -y^2=x^2-49 is Circle with (a,b)=(0,0),r=7