## Intermediate Algebra (6th Edition)

$y=5$
Using $y-y_1=m(x-x_1)$ or the Point-Slope Form, the equation of the line with slope 0 and passing through $(2,5)$ is \begin{array}{l} y-5=0(x-2) \\\\ y-5=0 \\\\ y=5 .\end{array}