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

$A$
All of the answer options are in slope-intercept form, which is given by the formula: $y = mx + b$, where $m$ is the slope of the line and $b$ is its y-intercept. For option A, the slope is $3$. For option B, the slope is $-3$. For option C, the slope is $4$. For option D, the slope is $-3$. The correct answer is option A.