Question

If x represents the time and y represents the temperature in degrees Fahrenheit, what is the slope of the line through these two datapoints?

Answer 1

$\begin{gathered} x_1=8,y_1=-2,x_2=12,y_2=4 \\ m=\frac{y_2-y_1}{x_2-x_1} \\ m=\frac{4+2}{12-8} \\ m=\frac{6}{4} \\ m=1.5 \end{gathered}$