What are the solutions to the equation r^2+z^2=9 ?

The solutions to the equation r^2+z^2=9 are z=sqrt(9-r^2),z=-sqrt(9-r^2)

Find the zeros of r^2+z^2=9

The zeros of r^2+z^2=9 are z=sqrt(9-r^2),z=-sqrt(9-r^2)

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r^{2} + z^{2} = 9

z = 9 - r^{2}, z = - 9 - r^{2}

Solution steps

r^{2} + z^{2} = 9

Move

r^{2}

to the right side

z^{2} = 9 - r^{2}

For

x^{2} = f (a)

the solutions are

x = f (a), - f (a)

z = 9 - r^{2}, z = - 9 - r^{2}

25 t - 0.05 t^{2} = 15 t + 200

x^{2} + 1 \frac{2}{3} x - \frac{2}{3} = 0

7 x^{2} - 13 = 0

2 a^{2} + a - 23 = - 2

4 = - x^{2} + x + 6

What are the solutions to the equation r^2+z^2=9 ?
The solutions to the equation r^2+z^2=9 are z=sqrt(9-r^2),z=-sqrt(9-r^2)
Find the zeros of r^2+z^2=9
The zeros of r^2+z^2=9 are z=sqrt(9-r^2),z=-sqrt(9-r^2)