Answer:
Slope of line is not defined
Step-by-step explanation:
Since, line through the points (a, -5) and (a, 1).
Therefore,
Slope of line
[tex] =\frac{1 - ( - 5)}{a - a} = \frac{1 + 5}{0} = \frac{6}{0} = \infty \\ [/tex]
So, slope of line is not defined or undefined.
