Answer :
Answer:
The slope is 2, and it is defined
Explanation:The slope of the line is:
[tex]m=\frac{y_2-y_1_{}}{x_2-x_1}[/tex][tex]\begin{gathered} m=\frac{1-7}{4-7} \\ \\ =\frac{-6}{-3}=2 \end{gathered}[/tex]The slope is defined.