Name Date

LESSON

NAME _________________________________________________________ DATE ___________

6.4

Practice B For use with pages 342–347

Write an inequality that describes the graph shown. 1.

2. 4 3 2 1

0

1

2

5 4 3 2 1

0

1

3.

6

7

8

9

10

11

12

5

10

15

20

25

30

35

4.

Sketch a graph of the inequality. 5. 3 ≤ x ≤ 6

6. 0 < x < 5

8. 4  x  11

9. 2 > x ≥ 10

7. 8 < x < 3 10. 5.6 > x > 13.3

Solve the inequality and graph its solution. 11. 3 < x  3 ≤ 5

12. 2 < 4  x < 4

13. 2 < 2n  1 ≤ 7

14. 16 ≤ 3x  4 ≤ 2

2 3x

16. 5 ≤ n  6 ≤ 0

15. 8 <

 4 < 10

17. 1 ≤ 3x ≤ 6

18. 3 ≤ 2x  1 < 9

19. Coupons

You have $60 and a coupon which allows you to take $10 off any purchase of $50 or more at a department store. Write an inequality that describes the possible retail value of the items you can buy if you use the coupon. Write an inequality that describes the different amounts of money you can spend if you use the coupon.

20. You live 4 miles from the convenience store and your

friend lives 2 miles from the same store. (a) Find the minimum distance d between your home and your friend’s home. (b) Find the maximum distance d between your home and your friend’s home. (c) Write an inequality that describes the possible distances d between your home and your friend’s home.

4

Home is somewhere on this circle.

2

Store

Friend's home is somewhere on this circle.

Lesson 6.4

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Algebra 1 Chapter 6 Resource Book

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