How do you find the slope and y intercept for y=-35+3.1x?

$y = m x + b$ is in the slope-intercept form with a slope of $m$ and a y-intercept of $b$
Given $y = - 35 + 3.1 x \leftrightarrow y = 3.1 x - 35$
the slope is $3.1$ and the y-intercept is $\left(- 35\right)$