What is the answer to 4=x^{-1/2} ?

The answer to 4=x^{-1/2} is x= 1/16

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4=x^{-1/2}

4 = x^{- \frac{1}{2}}

x = \frac{1}{16}

Decimal

x = 0.0625

Solution steps

4 = x^{- \frac{1}{2}}

Take both sides of the equation to the power of

- 2 : \frac{1}{16} = x

\frac{1}{16} = x

Switch sides

x = \frac{1}{16}

Verify Solutions:

x = \frac{1}{16}

True

The solution is

x = \frac{1}{16}

x = 0

6 x^{\frac{1}{3}} = - 24

x + 1 = \frac{2}{x}

5 x + 1 = 5 - x - 2

9 = 3 (8 t + 600)^{2}