Answer:
1.4/0 or (4,1.5) is 1.4 units down from (4,2.9)
Explanation:
Hey!
Slope gives us the distance between two points. So, the slope of those two points is your answer.
To find the slope use this equation:

Using your points, (4,1.5) is (x1,y1) and (4,2.9) is (x2,y2)
so,

We get:

I hope that helps! :)