What are the solutions to the equation 81a^2-16=0 ?

The solutions to the equation 81a^2-16=0 are a= 4/9 ,a=-4/9

Find the zeros of 81a^2-16=0

The zeros of 81a^2-16=0 are a= 4/9 ,a=-4/9

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81 a^{2} - 16 = 0

a = \frac{4}{9}, a = - \frac{4}{9}

Decimal Notation

a = 0.44444 \dots, a = - 0.44444 \dots

Solution steps

81 a^{2} - 16 = 0

Move

16

to the right side

81 a^{2} = 16

Divide both sides by

81

a^{2} = \frac{16}{81}

For

x^{2} = f (a)

the solutions are

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

a = \frac{16}{81}, a = - \frac{16}{81}

\frac{16}{81} = \frac{4}{9}

- \frac{16}{81} = - \frac{4}{9}

a = \frac{4}{9}, a = - \frac{4}{9}

4 p^{2} - (q + r)^{2}

\frac{3}{2} x + \frac{1}{5} \geq - 1

6 x^{2} + 18 x + 6

\frac{3}{4} K - \frac{3}{2} = \frac{5}{6}

\frac{x}{9} - \frac{y}{9}

What are the solutions to the equation 81a^2-16=0 ?
The solutions to the equation 81a^2-16=0 are a= 4/9 ,a=-4/9
Find the zeros of 81a^2-16=0
The zeros of 81a^2-16=0 are a= 4/9 ,a=-4/9