Answer:
y= -1
Step-by-step explanation:
A horizontal line would mean that it has no slope, since the line is not decreasing or increasing. The horizontal line drawn through (0, -1) would pass through (-2, -1), since they share the same y coordinate.
I think it is the last one 4-6
-6
There is no common difference
262880
i had a test with the same question, i promise its right :)