Answer:
Undefined
Explanation:
Knowledge Needed
Slope if is the constant change of the y-value when the x-value increases by 1 on a line.
Slope Formula:
![(y_2-y_1)/(x_2-x_1)](https://img.qammunity.org/2023/formulas/mathematics/college/xgxqvqikurnctndyom69mx96lvbbw6s3uu.png)
Question
Plug in your points.
![(-19--3)/(-8--8)](https://img.qammunity.org/2023/formulas/mathematics/high-school/88cuk9m8n84qzy9mvr7k4eipzvp7znmmwy.png)
![(-16)/(0)](https://img.qammunity.org/2023/formulas/mathematics/high-school/e8kvptwzqtt1v5xjwtjmne7jw0j6cen1q3.png)
Any number divided by 0 is undefined.
The slope is undefined. This means the line is completely vertical.