To find the missing ordered pair, you would see the how the points (5, -4) and (-1, -5) changes and apply the same change to (0, 6).
From 5 to -1 is left 6 and from -4 to -5 is down 1
6 spaces left of 0 in (0,6) is -6 and 1 space down from 6 in (0, 6) is 5.
The ordered pair would be (-6, 5).