Question

What is the slope if the line that passes through the pair of points (-5.5, 6.1) (-2.5, 3.1)

Answer 1

The slope is the change in y-values divided by the change in x-values:

y1 - y2 / x1 - x2

6.1 - 3.1 / -5.5 - (-2.5)
3 / -5.5 + 2.5
3 / -3
-1

Answer:
-1

Hope this helps.