1. This graph shows the relationship between the pounds of chee bought at a deli and the total cost, in dollars, for the cheese. Select all statements
below that are true.
10
8
Total Cost ($)
2
0
2.5
0.5 1 1.5 2
Weight (pounds)
A. The point (2.5, 10) indicates that the cost is $10 for 2.5 pounds of cheese.
B. This graph includes decimal values, so it does not show a proportional relationship
C. This graph line has a constant rate of change and passes through the origin, so it
shows a proportional relationship.
D. The constant of proportionality is 1 because the line goes to the right one unit and
up one unit.
E. The point (1, 4) indicates that 4 pounds of cheese cost $1.