Cube of -1 2 is: - Vidyadip

MCQ

Cube of $\frac{-1}{2}$ is:

A
$-\frac{1}{3}$
B
$\frac{1}{16}$
✓
$-\frac{1}{8}$
D
$\frac{-1}{16}$

✓

Answer

Correct option: C.

$-\frac{1}{8}$

The cube of a number is the number raised to the power of $3$.
Hence the cube of $-\frac{1}{2}$ is $\frac{(-1)^3}{2^3}$
$=-\frac{1}{8}$

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