Chapter 4 Test, Form 1B - Mrs. Book Loves Math

[Pages:2]NAME

DATE

Chapter 4 Test, Form 1B

1. The graph shows the distance Paul jogged one day. Is the function proportional? Explain. TEKS

8.5(H)

2. Is the function represented by the table proportional or non-proportional? Explain.

TEKS 8.5(F), 8.5(H)

x ?4 0 4 8 y ?1 3 9 17

Determine whether each relation is a function. Explain. TEKS 8.5(G)

3.

4.

x

y

?1

?5

1

?4

3

?3

Graph each function. TEKS 8.5(G) 5. y = 2x + 1

3

6. y = ?2x + 1

PERIOD SCORE

7. Determine whether the function y = 6x + 4, where y represents the cost of purchasing x tickets is proportional or non-proportional. Explain. TEKS 8.5(H)

Course 3 ? Chapter 4 Functions

NAME

DATE

Chapter 4 Test, Form 1B

8. The height of the flower is measured for several weeks. The graph shows the height of the flower for each week. Determine and interpret the rate of change. TEKS 8.4(C)

PERIOD SCORE

9. Determine the domain and range of the relation {(-5, ?2), (?3, 0), (1, 7), (4, 6)}.

TEKS Preparation for 8.5(G)

10. Adult tickets for the movie theater cost $9.50 each. Write an equation that can be used to find the total cost c of any number of adult tickets t. Then use the equation to determine how much 7 adult tickets would cost. TEKS 8.5(A)

11. The graph shows the number of customers and the cost of coffee. Write an equation to find the cost of coffee y for any number of customers x. TEKS 8.5(A)

12. Represent the relation {(?1, 4), (0, 2), (2, ?1), (5, ?4)} as a table and a graph. Then determine the domain and range.

TEKS Preparation for 8.5(G)

13. The table shows the amount of money Abi is paid for working different numbers of hours. What would be Abi's total pay if she works for 36 hours in a week? Use a problem-solving model to solve. TEKS 8.5(A)

Number of Hours 2 4 6 8

Amount of Pay ($) 26 52 78 104

Course 3 ? Chapter 4 Functions

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