Question

Find the slope of the line joining the points $(-4,1)$ and $(-5,2)$

Answer 1

We know that the slope of the line joining two points $(x_1,y_1)$ and $(x_2,y_2)$ is:

$m=\frac{y_2-y_1}{x_2-x_1}$

Here, the given points are $(-4,1)$ and $(-5,2)$, therefore, the slope of the line is:

$m=\frac{y_2-y_1}{x_2-x_1}=\frac{2-1}{-5-(-4)}=\frac{1}{-5+4}=-1$

Hence, the slope of the line is$-1$.