For neighborhood parks of a given size, the equation yˆ=7.219x+2.033 models the number of children at a park, where x is the number of adults at the park. what does the slope of the equation represent in context of the situation? for every additional adult at the park, the number of children increases by about 2. every day, the number of children at the park increases by about 7. for every 2 additional adults at the park, the number of children increase by about 7. for every additional adult at the park, the number of children increases by about 7.