1. Karma baked 48 cookies yesterday. Every hour, she bakes another batch of 12 cookies. What is the rate of change for the scenario described? (4 points)
A. 4
B. 12
C. 60
D. 48
2.
James has $32 and earns $10 per week for his allowance.
What is the initial value for the scenario described? (4 points)
A. 10
B. 32
C. 42
D. 320
3.
Identify the initial value and rate of change for the graph shown. (4 points)
A coordinate plane graph is shown. A line is graphed that passes through the y-intercept at 4 and through the point 4 comma 1.
A. Initial value: 5.5, rate of change: negative 3 over 4.
B. Initial value: 4, rate of change: negative 3 over 4.
C. Initial value: negative 3 over 4., rate of change: 4
D. Initial value: negative 3 over 4., rate of change: 5.5
4.
What is the rate of change and initial value for the linear relation that includes the points shown in the table? (4 points)
x y
1 10
2 8
3 6
4 4
A. Initial value: 12, rate of change: -2
B. Initial value: 8, rate of change: 2
C. Initial value: 12, rate of change: 2
D. Initial value 8, rate of change: -2
5.
A used car already has 40,000 miles on its odometer. The average owner will drive 12,000 miles per year.
Which function best models the linear relationship? (4 points)
A. y = 12,000x + 40,000
B. y = 40,000x + 12,000
C. y = 52,000x + 12,000
D. y = 12,000x - 40,000
1. B. 12
2. B. 32
3. B. Initial value: 4, rate of change: negative 3 over 4
4. D. Initial value 8, rate of change: -2
5. A. y = 12,000x + 40,000