How do you write the equation of the line that passes through point (0, –5) with a slope of 1/8?

$y = \frac{1}{8} x - 5$
The general equation of a straight line can be written as $y = a x + b$ where $a$ is a slope, and $b$ is y-intercept, so in this case $a = \frac{1}{8}$ and $b = - 5$