Verified Answer :

gmany

The formula of a slope:

\(m=\dfrac{y_2-y_1}{x_2-x_1}\)

We have the points (-6, -1) and (-6, 4).

Substitute:

\(m=\dfrac{4-(-1)}{-6-(-6)}=\dfrac{4+1}{-6+6}=\dfrac{5}{6}\ !!!\)

Dividing by 0 is not possible, therefore the slope is undefined.

It's a vertical line x = -6.

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