Katherine's math teacher finds that there's roughly a linear relationship between the amount of time students spend on their homework and their weekly quiz scores. This
relationship can be represented by the graph below. What does the slope of the line
represent?
A) How many hours a student spends
studying all year.
B) A student's expected quiz score if
they spent 69 hours on their
homework.
195
118
111
104
07
Expected Quiz Score
90
C) A student's expected quiz score if
they spent no time on their
homework.
83
76
69
D) The change in expected quiz score
for every additional one hour
students spend on their
homework.
63
Time Spent on Homework per week (hours)