NAME _____________________________________________ DATE ____________________________
Chapter Test – Chapter 8
Functions and Inequalities
Write the letter for the correct answer in the blank at the right of each question.
1. Which of the following sets of values completes the function table?
Input (x)
4x + 2
4
4(4) + 2
5
4(5) + 2
6
4(6) + 2
Output (y)
A. 16, 20, 24
B. 18, 19, 20
C. 18, 22, 26
D.0,1,2
1._______________
Party Favors
2. Molly is buying packages of party favors for her
birthday party. Using the table as a guide, how many
packages will she need to buy to have 24 favors?
A. 8
C. 12
B. 10
D. 14
Number of
Packages
Number
of Favors
3
6
6
12
2. _______________
Use the table below for questions 3 and 4.
Position
1
2
3
4
Value of Term
2
4
6
8
n
3. What is the rule to find the value of the missing term?
A.
B. n + 2
C. 2n
D. n – 2
3. _______________
4. What is the value of the twelfth term in the sequence?
A. 10
B. 12
C. 16
D. 24
4. _______________
5. The graph shows the total money earned at a
fundraising car wash. Which equation can be
used to find the total earned y for the number
of cars washed x?
A. y = x + 5
C. y = 5x
B. y = x – 5
D. y = x – 5
5. _______________
6. A pizzeria charges $12 per pizza plus an addition $3 for delivery. Which equation
represents the cost of having any number of pizzas delivered?
A. c = 12p
B. c = 3p
C. c = 12p + 3 D. c = 12 + 3p
6. _______________
2
NAME _____________________________________________ DATE ____________________________
Use the following information for questions 7-9. Ryan earns $20 for every lawn that he mows.
7._________________
7. Which equation can be used to find t, the total amount Ryan will earn after
mowing n lawns?
A. t = 20n
B. n = 20t
C. t = 20 + n D. n = 20 + t
8. _________________
8. How much will Ryan earn if he mows 15 lawns?
A. $40
B. $150
C. $200
D. $300
9. Which set of ordered pairs represents the relationship between the number of
lawns Ryan mows and the money he earns?
A. (20, 1), (40, 2), (60, 3)
C. (1, 20), (2, 40), (3, 60)
B. (1, 20), (2, 30), (3, 40)
D. (0, 20), (1, 40), (2, 60)
9. _________________
10. _________________
10. Which of the following is a solution of the inequality h + 9 < 20?
A. 13
B. 12
C. 11
D. 10
11. _________________
11. The inequality a < 10 represents the ages a that
qualify for a child ticket. Which children in the
Rogers’ family qualify for a child ticket?
A. Chris, Megan, Piper
B. Piper only
C. Chris and Megan
D. Piper and Mark
Rogers’
Family Ages
Chris
5
Megan
8
Piper
10
Mark
12
12. Which inequality is graphed below?
A. x ≥ 3
B. x < 3
C. x ≤ 3
12. _________________
D. x > 3
13. ________________
13. Miguel has at least $250 in his savings account. Which inequality represents
this situation?
A. m < 250
B. m > 250
C. m ≤ 250
D. m ≥ 250
14. Which of the following inequalities has the solution shown below?
A. 3x ≤ 6
B. 3x < 6
Solve each inequality.
15) 3 + x ≥ 12
A. x ≥ 9
B. x ≥ 15
16) 5x < 30
A. x < 150
𝑥
≤6
17)
3
A. x ≤ 2
C. 3x ≥ 6
14. _________________
D. 3x > 6
15. _________________
C. x ≤ 9
D. x ≤ 15
16. _________________
B. x < 6
C. x > 150
D. x > 6
17. _________________
B. x < 2
C. x ≤ 18
D. x < 18
NAME _____________________________________________ DATE ____________________________
Use the table below for questions 18 and 19.
Position
1
2
3
4
n
Value of Term
8
16
24
32
■
18. Use words or symbols to describe the value of each term as a function of its
position.
18. ______________
19. Find the value of the TENTH term in the sequence.
19. ______________
For #20 and #21, write an equation to represent the function.
20. ______________
20.
Input, x
Output, y
1
5
2
10
3
15
4
20
21. Input, x
Output, y
1
9
2
16
3
23
4
30
21. ______________
22. use table below
Use the following information for questions 22-23.
An adult male gorilla eats about 50 pounds of vegetation every day.
22. Make a table to the right to show the relationship between the number of
pounds p an adult male gorilla eats in 1,2,3 days.
23. Write an equation to find p, the number of pounds of vegetation an adult
male gorilla eats in d days.
p (pounds)
d (days)
23. ______________
Graph each equation. Use the tables below to find the ordered pairs.
24. y = x + 2
24.
x
0
1
2
y
25. y = 2x + 1
25.
x
0
1
2
y
NAME _____________________________________________ DATE ____________________________
26. Evaluate x
2
+ 4y when x = 8 and y = 5.
2
27. How many 5 inch pieces can be cut from a wire that is 10 inches long?
28. Solve for x: 56 – x = 34
29. Solve for x: x = 8
4
30. Write the phrase below as an algebraic expression:
four less than six times a number
31. Simplify the expression: 8(x + 2) + 4x + 10
32. Solve and graph the inequalities on the number lines below:
a)
x-2≥3
b)
4x < 12