Answer:
Slope = 0
Step-by-step explanation:
Slope = [tex]\frac{y_{2} -y_{1}}{x_{2}-x_{1}}[/tex]
Slope = [tex]\frac{-10 -(-10)}{-19-(-7)}[/tex] = 0
Also, just by looking at these points you can determine that the slope is zero because the y value does not change between these points.