Question

...

Answer 1

Use the formula:

\[\large \color{green}{Slope = \frac{y_2 - y_1}{x_2 - x_1}}\]

Answer 2

I got 0.

Answer 3

Then you are right..

Answer 4

Basically these points are representing a line which is parallel to x - axis, so the slope is 0..

Answer 5

-9-9
------=-18/-6=-3 is your slope :)
-2-4

Answer 6

nvm I didnt read the question right

Answer 7

its 0