Answer:
The answer is 12
Explanation:
The slope of a line given two points can be found by using the formula
![m = ( y_2 - y _ 1)/(x_ 2 - x_ 1) \\](https://img.qammunity.org/2021/formulas/mathematics/high-school/zl33w7iuqc9vagvxfuw6qg7qxqm7mycmw2.png)
where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
(1,3) and (0,−9)
The slope is
![m = ( - 9 - 3)/(0 - 1) = ( - 12)/( - 1) = 12 \\](https://img.qammunity.org/2021/formulas/mathematics/high-school/pzsi99j9rhwxjgn345iy62eqwt6zmdn80f.png)
We have the final answer as
12
Hope this helps you