Chapter 5 - Linear Functions - 5-3 Slope-Intercept Form - Practice and Problem-Solving Exercises - Page 310: 19

$y=0.7x-2$

The slope-intercept form of a linear equation of a non vertical line is $y=mx+b$, where $m$ is the slope and $b$ is the $y$-intercept. We plug in $m=0.7$ and $b=-2$ to this equation to get $y=0.7x+(-2)$ We simplify: $y=0.7x-2$