What are the solutions to the equation a=pi*r^2 ?

The solutions to the equation a=pi*r^2 are r=sqrt(a/pi),r=-sqrt(a/pi)

Find the zeros of a=pi*r^2

The zeros of a=pi*r^2 are r=sqrt(a/pi),r=-sqrt(a/pi)

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a = π \cdot r^{2}

r = \frac{a}{π}, r = - \frac{a}{π}

Solution steps

a = π r^{2}

Switch sides

π r^{2} = a

Divide both sides by

π

r^{2} = \frac{a}{π}

For

x^{2} = f (a)

the solutions are

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

r = \frac{a}{π}, r = - \frac{a}{π}

\frac{1}{4} r^{2} + 3 r + 8 = 0

4 x^{2} + 9 x = 22

3.639 = π \cdot \frac{x ^{2}}{4} \cdot 2.2

x^{2} + 8 x - 96 = 0

- 26 x + 8 x^{2} = 24

What are the solutions to the equation a=pi*r^2 ?
The solutions to the equation a=pi*r^2 are r=sqrt(a/pi),r=-sqrt(a/pi)
Find the zeros of a=pi*r^2
The zeros of a=pi*r^2 are r=sqrt(a/pi),r=-sqrt(a/pi)