NAME _______________
Beginning Algebra – Quiz 5
Section 2.8 and Appendix D
Directions: Show all work and write your final answer in the space provided.
1.
Solve and write your answer in interval notation: 7x  3  5x  3
1. _______________
2.
Solve and write your answer in interval notation:  2x  8 and x  5  5
2. _______________
3.
Solve and write your answer in interval notation:  2  x  3  0
3. _______________
4.
Solve and write your answer in interval notation: 5(x  1)  5 or 5  x  11
4. _______________
5.
Solve and write your answer in interval notation: 
6.
Solve and write your answer in interval notation:  2 
7.
A parking garage charges $1.25 for the first hour and $0.75 for each additional
hour or part thereof. What is the maximum length of time you can park in the
garage if you wish to pay no more than $5.75?
7. _______________
8.
Solve and write your answer in interval notation: 6x  4  2x or 4x  1  x  5
8. _______________
9.
Solve and write your answer in interval notation:  4 
3
x  12
7
1
x 5 3
2
5. _______________
6. _______________
2x  5
3
3
9. _______________
10. Solve and write your answer in interval notation: 15  7x  9x  8
10. _______________
11. Solve and write your answer in interval notation:  3  5x  2  7
11. _______________
12. Solve and write your answer in interval notation:  x  4  0 or  6x  12
12. _______________
13. Solve and write your answer in interval notation:  6  3(x  2)  15
13. _______________
14. Solve and write your answer in interval notation: 5(3x  1)  2(4  3x)
14. _______________
15. Solve and write your answer in interval notation:  21  8x  9  3
15. _______________
5
1
7
x2 x
6
4
2
16. _______________
2  3x
 19
4
17. _______________
16. Solve and write your answer in interval notation:
17. Solve and write your answer in interval notation: 8 
18. Solve and write your answer in interval notation: 2x  1  7 and  3x  2  5
18. _______________
19. Will’s grades on his first four exams are 87, 92, 70, and 75. An average greater
than or equal to 80 and less than 90 will result in a final grade of B. What range
of grades on Will’s last test will result in a final grade of B?
19. _______________
1  2x
20. _______________
21. Solve and write your answer in interval notation:  7  2(x  4)  10
21. _______________
22. Solve and write your answer in interval notation: 2x  1  3 and  x  2
22. _______________
23. Solve and write your answer in interval notation:  2(3x  2)  (4x  3)  4x  7
23. _______________
24. Solve and write your answer in interval notation:  x  6 or 3x  1  23
24. _______________
25. Solve and write your answer in interval notation: 13x  (9x  5)  6(x  5)  11
25. _______________
3

3x  7
 2
20. Solve and write your answer in interval notation:
5