## Algebra 1: Common Core (15th Edition)

Find two points that lie on the line: ($\frac{-1}{2}$,$\frac{4}{7}$ ) (8,$\frac{4}{7}$) Use the slope equation: $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ You will get: $\frac{\frac{4}{7}-\frac{4}{7}}{-\frac{1}{2}-8}$ The answer is $0$.