## Elementary Algebra

$-\dfrac{1}{4}$
The exponent is 2, which means that $\frac{1}{2}$ will be multiplied by itself 2 times. Thus, $-\left(\dfrac{1}{2}\right)^2 = -\left(\dfrac{1}{2} \cdot \dfrac{1}{2}\right)=-\dfrac{1}{4}$