Question

What is the slope of the line passing through the points (0, 4) and (−8, −1)?

Answer 1

from general theory, we have the subsequent value for the slope:
\[m = \frac{{{y_2} - {y_1}}}{{{x_2} - {x_1}}} = \frac{{ - 1 - 4}}{{ - 8 - 0}}\]