The slope is positive?
The slope is negative?
The slope is zero?
There is no slope?

The slope for each is 8
X is the slope.
y=mx+b
m is the slope and b is y intercept.
Equations listed below.
1. y=8x-8
2.y=8x-4
3. y=8x
4 y=8x+4
5.Y=8x+8
Answer: undefined
Step-by-step explanation: The slope is in a vertical line. So, when the slope is in a vertical line it is considered undefined.