Question

Find the slope of the line passing through (0, -5) and (-4, 7)

Answer 1

(7-(-5))/(-4-0)

Answer 2

12/-4 = -3

Answer 3

\[\text{slope} = \frac{y_2 - y_1}{x_2 - x_1}\]
\[\implies \frac{7 - (-5)}{-4 - 0} \implies \frac{7 + 5}{-4} \implies \frac{12}{-4} \implies -3\]