What are the solutions to the equation 9a^2-16=0 ?

The solutions to the equation 9a^2-16=0 are a= 4/3 ,a=-4/3

Find the zeros of 9a^2-16=0

The zeros of 9a^2-16=0 are a= 4/3 ,a=-4/3

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9 a^{2} - 16 = 0

a = \frac{4}{3}, a = - \frac{4}{3}

Decimal Notation

a = 1.33333 \dots, a = - 1.33333 \dots

Solution steps

9 a^{2} - 16 = 0

Move

16

to the right side

9 a^{2} = 16

Divide both sides by

9

a^{2} = \frac{16}{9}

For

x^{2} = f (a)

the solutions are

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

a = \frac{16}{9}, a = - \frac{16}{9}

\frac{16}{9} = \frac{4}{3}

- \frac{16}{9} = - \frac{4}{3}

a = \frac{4}{3}, a = - \frac{4}{3}

4 x^{2} + 8 x + 5

4 x^{2} + 11 x + 7 = 0

8 x^{2} - 3 x - 26 = 0

3 (2 x + 5)^{2} = 90

3 x^{2} + 6 x = 35

What are the solutions to the equation 9a^2-16=0 ?
The solutions to the equation 9a^2-16=0 are a= 4/3 ,a=-4/3
Find the zeros of 9a^2-16=0
The zeros of 9a^2-16=0 are a= 4/3 ,a=-4/3