What is x^2+y^2+7.2x+8.6y=2.19 ?

The solution to x^2+y^2+7.2x+8.6y=2.19 is Circle with (a,b)=(-3.6,-4.3),r=5.8

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x^2+y^2+7.2x+8.6y=2.19

x^{2} + y^{2} + 7.2 x + 8.6 y = 2.19

(a, b) = (- 3.6, - 4.3), r = 5.8

Solution steps

x^{2} + y^{2} + 7.2 x + 8.6 y = 2.19

Rewrite

x^{2} + y^{2} + 7.2 x + 8.6 y = 2.19

in the form of the standard circle equation

(x - (- 3.6))^{2} + (y - (- 4.3))^{2} = 5. 8^{2}

Therefore the circle properties are:

(a, b) = (- 3.6, - 4.3), r = 5.8

x^{2} + (y - 3)^{2} = 20

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

(x + 20)^{2} + (y - 30)^{2} = 225

x^{2} + y^{2} + 14 x + 12 y = - 21

x^{2} + (y - 3)^{2} = 15

What is x^2+y^2+7.2x+8.6y=2.19 ?
The solution to x^2+y^2+7.2x+8.6y=2.19 is Circle with (a,b)=(-3.6,-4.3),r=5.8