## Intermediate Algebra (6th Edition)

$y=\dfrac{9}{2}$
Using $y-y_1=m(x-x_1)$ or the Point-Slope Form, the equation of the line with slope $0$ and passing through $\left( -4,\dfrac{9}{2} \right)$ is \begin{array}{l} y-\dfrac{9}{2}=0(x-(-4)) \\\\ y-\dfrac{9}{2}=0 \\\\ y=\dfrac{9}{2} .\end{array}