To find the cube root of \(-8\), you can express it mathematically as:
\[ \sqrt[3]{-8} \]
The cube root of \(-8\) is a number \(x\) such that:
\[ x^3 = -8 \]
Since \(-2 \times -2 \times -2 = -8\), we have:
\[ \sqrt[3]{-8} = -2 \]
Thus, the cube root of \(-8\) is:
\[ \boxed{-2} \]