Is root of $x^2$ = $x$ ?

Number Theory Level 1

Given that:

$\large \color{#3D99F6} \sqrt{ \left( \frac{3}{2} \right)^2 } = \color{#D61F06} \frac{3}{2} \\ \large \color{#3D99F6} \sqrt{ \left( \frac{1}{2} \right)^2 } = \color{#D61F06} \frac{1}{2}$

Find the value of:

$\large \color{#3D99F6} \sqrt{ \left( - \frac{1}{2} \right)^2 } = \color{#D61F06} ?$

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Is root of x2 x^2 x2 = x x x ?