Question

Which statement correctly describes the slope of the linear function that is represented by the data in the table?

x
y
8
–8
8
–4
8
0
8
4
8
8
The slope is positive.
The slope is negative.
The slope is zero.
There is no slope.

Answer 1

There is no slope.

All x-values are 8, so the graph is a vertical line (Δx = 0). Slope = Δy/Δx is undefined for a vertical line.