Answer:
slope = 0
Step-by-step explanation:
To find the slope when you have 2 points, we use the formula
m = (y2-y1)/(x2-x1)
m = (-5--5)/(18--2)
= (-5+5)/(18+2)
= 0/20
The slope is zero
This a horizontal line, because the y values do not change
