what is the slope of this line? simplify your answer completely. slope = - \frac{?}{} slope: \frac{rise}{run}

what is the slope of this line? simplify your answer completely. slope = - \frac{?}{} slope: \frac{rise}{run}
Answer
Explanation:
Step1: Identify two points
Let the two points on the line be $(1, 2)$ and $(2, 1)$.
Step2: Use slope - formula
The slope formula is $m=\frac{y_2 - y_1}{x_2 - x_1}$. Here, $x_1 = 1,y_1 = 2,x_2=2,y_2 = 1$. Then $m=\frac{1 - 2}{2 - 1}=\frac{-1}{1}=- 1$.
Answer:
$1$