What is -x^2+y^2-9=0 ?

The solution to -x^2+y^2-9=0 is Hyperbola with (h,k)=(0,0),a=3,b=3

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-x^2+y^2-9=0

- x^{2} + y^{2} - 9 = 0

(h, k) = (0, 0), a = 3, b = 3

Solution steps

- x^{2} + y^{2} - 9 = 0

Rewrite

- x^{2} + y^{2} - 9 = 0

in the form of a standard hyperbola equation

\frac{( y - 0 ) ^{2}}{3 ^{2}} - \frac{( x - 0 ) ^{2}}{3 ^{2}} = 1

Therefore Hyperbola properties are:

(h, k) = (0, 0), a = 3, b = 3

\frac{y ^{2}}{27} - \frac{x ^{2}}{9} = 1

\frac{( y - 2 ) ^{2}}{16} - \frac{( x - 1 ) ^{2}}{9} = 1

\frac{( x - 3 ) ^{2}}{16} - \frac{( y + 2 ) ^{2}}{9} = 1

2 x^{2} - 3 y^{2} = 9

\frac{x ^{2}}{25} - \frac{y ^{2}}{100} = 1

What is -x^2+y^2-9=0 ?
The solution to -x^2+y^2-9=0 is Hyperbola with (h,k)=(0,0),a=3,b=3