# How do you write a variable expression for the word phrase "one half the square of b"?

$\frac{1}{2} {b}^{2}$
$\text{the square of b is expressed as } {b}^{2}$
$\text{and one half is " 1/2" or } 0.5$
$\Rightarrow \text{one half the square of b "=1/2b^2" or } 0.5 {b}^{2}$