Question

What is the slope of the line between (3, –4) and (–2, 1)?

Answer 1

slope = 1-(-4) / -2-3 = 5 / -5 = -1

Answer 2

\[m=\frac{\Delta y}{\Delta x}\implies\frac{y_1-y_2}{x_1-x_2}\]
(-4-1)/(3-(-2))=-1