Math 107 College Algebra Name:
Final Examination: Summer, Instructor:
Answer Sheet
Instructions:
This is an open-book exam. You may refer to your text and other course materials as you work
on the exam, and you may use a calculator.
Record your answers and work in this document.
There are 30 problems.
Problems #1-12 are multiple choice. Record your choice for each problem.
Problems #13-21 are short answer. Record your answer for each problem.
Problems #22-30 are short answer with work required. When requested, show all work and write
all answers in the spaces allotted on the following pages. You may type your work using plain-
text formatting or an equation editor, or you may hand-write your work and scan it. In either
case, show work neatly and correctly, following standard mathematical conventions. Each step
should follow clearly and completely from the previous step. If necessary, you may attach extra
pages.
You must complete the exam individually. Neither collaboration nor consultation with
others is allowed. Your exam will receive a zero grade unless you complete the following
honor statement.
Please sign (or type) your name below the following honor statement:
I have completed this final examination myself, working independently and not consulting
anyone except the instructor. I have neither given nor received help on this final examination.
, 2
MULTIPLE CHOICE. Record your answer choices.
1. A 7. B
2. D 8. C
3. C 9. A
4. D 10. B
5. D 11. B
6. C 12. B
SHORT ANSWER. Record your answers below.
13. 3 + 37𝑖
14. (−∞, −6] 𝖴 (−2, ∞)
15. 162.18°
16. −2
4 1
17. 𝑥= 𝑜𝑟 1
3 3
18. 22.01 𝑦𝑒𝑎𝑟𝑠
19. (a) (7,3)
(b) [3, ∞)
(c)
20. (a) B
(b) (−1,0), (1,0), (3,0)
(c) 𝑦 − 𝑖𝑛𝑡𝑒𝑟𝑐𝑒𝑝𝑡 (0,3)
(d) GRAPH A
21. (a) 𝑥 ≠ 2, 𝑥 ≠ −2
(b) 𝑣𝑒𝑟𝑡𝑖𝑐𝑎𝑙 𝑎𝑠𝑦𝑚𝑝𝑡𝑜𝑡𝑒 (−2, 2)
(c) ℎ𝑜𝑟𝑖𝑧𝑜𝑛𝑡𝑎𝑙 𝑎𝑠𝑦𝑚𝑝𝑡𝑜𝑡𝑒 = 0
(d) GRAPH B