NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Chapter 8 Test Review
Write the correct answer in the blank at the right of each question.
1. Which of the numbers 4, 5, or 6 is a solution of x + 5 > 10?
2. Complete the table.
Input
(x)
3
3x – 2
Output
(y)
■
■
■
■
■
6
■
1.____________
Input
(x)
3
3x – 2
Output
(y)
6
22
22
2. ____________
Find the rule for each function table.
3.
Input
(x)
1
Output
(y)
4
2
4
4.
5.
Input
(x)
1
Output
(y)
o
3. ____________
10
2
1
5. ____________
15
4
3
Input
(x)
1
Output
(y)
5
8
2
16
4
4. ____________
Write an inequality to represent each situation. Then graph the inequality.
6. Anyone over age fourteen must buy an adult ticket.
6. ____________
7. Kendra can spend at most $8 on lunch.
7. ____________
Solve each inequality. Then graph the solution on a number line.
8. ____________
8. a + 14 < 20
9. c – 15 ≥ 7
10. 8m ≤ 48
ℎ
5
9. ____________
10. ____________
11. > 9
11. ____________
12. Riaz wants to spend no more than $1,250 on his trip. The airfare is $439.
Write and solve an inequality to find the maximum amount he can spend
on the rest of his trip.
12. ____________
Course 1 • Chapter 8 Functions and Inequalities
189
NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Chapter 8 Test Review(continued)
Use the table below for Exercises 13 and 14.
Position
1
2
3
4
n
Value of Term
9
18
27
36
■
13. Use words and symbols to describe the value of each term as a function of its
position.
13. ______________
14. Find the value of the sixteenth term in the sequence.
14. ______________
Write an equation to represent the function.
15.
16.
Input, x
Output, y
1
5
2
10
3
15
4
20
15. ______________
Input, x
Output, y
1
9
2
16
3
23
4
30
16. ______________
Use the following information for Exercises 17-20. An adult male gorilla eats about
40 pounds of vegetation every day.
17. Write an equation to find p, the number of pounds of vegetation an adult male
gorilla eats in d days.
17. ______________
18. Make a table to show the relationship between the number of pounds p an adult
male gorilla eats in d days.
18.
19. Graph the ordered pairs from the table in Exercise 18.
19. ______________
20. Analyze the graph in Exercise 19.
20. ______________
Graph each equation.
21. y = 0.5x + 2
21.
22. y = x + 1
190
22.
Course 1 • Chapter 8 Functions and Inequalities