MATH 120R: Precalculus

Sections 16 and 18, Fall 2009

Last modified Dec 17, 2009 7:33 PM Go to Assignments below.
 
Offered by: 
Department of Mathematics, 
with the assistance of 
Ted Laetsch, B.S., M.S., Ph.D.
  • Office: Math Room 205  

  • Office Hours (end Dec 9):
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      Psych Room 204 (beginning Sep 14)
      (I can stay later if you're there by 4:40.)
    • Wed., 4:00 p.m. - 4:50 p.m.,
      Nugent Think Tank (beginning Sep 2)
    • Wed., 5:00 p.m.
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    • Other times by appointment.

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  • Phone: 621-6860 with voice mail

  • Email: laetsch@math.arizona.edu 
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  • University tutoring information for freshman math coures.
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NEW Final Exam Scores

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Note: Final Letter Grades will be available through the usual University Student Link system as soon as possible (Wednesday or Thursday). I can not answer questions about grades by email. Letter grades will not be posted on this website.

READ





READ

SOLUTION, Lesson 53 (pdf document) Basic Algebra/Trig TF Questions.
Algebra Errors with Exponentials (pdf document)
(Updated and corrected Oct 24, 9:20 AM.)
This has been posted since Oct 24. Every error listed was made at least a few times on the solutions given by students to Exam 3 on Nov 5.

Algebra Errors, Exam 1 (pdf document).
These errors were also made on Exam 2.
These errors were also made on Exam 3.

Be sure to READ, LEARN, and DIGEST this information.
Study Suggestions (pdf document) as discussed in class on Wednesday, Sep 30.

Last modified Dec 17

Important Links

Assignments

Be sure to read the homework information links to the left under the Course Policy.
Written Homework.
Links to the Lessons are to the right. right
CURRENT

Monday, December 14,
8 AM - 10 AM:
Final Exam.

Also check WebAssign assignments.
You should do all the WebAssignments by the due date given on WebAssign. See the WebAssign page for due dates. As a reminder, some of these assignments are listed below:

Last modified Dec 11  
Suggested Homework is at this link (pdf document).

Written homework to be turned in and graded is listed below.

Lessons 

Click on the Number of the Lesson to go to the Lesson. 
130. Sect. 3.5-3.6 (due Oct 12 09)
100b. Sect. 4.5 (due Nov 4 09)
100a. Sect. 4.5 (due Oct 28 09)
100. Sect. 4.5 (due Oct 19 09)
55. Exam 4 problems (due Dec 9 09)
54. Sect. 8.5 (due Dec 9 09)
53. Generalities (due Dec 7 09)
52b. Sect. 8.4 (due Dec 7 09)
Fourth Exam Homework (pdf document) (due Dec 4 09)
52a. Sect. 8.4 (due Dec 4 09)
51. Sect. 8.4 (due Dec 2 09)
(Instructions slightly changed Nov 26)
50. Sect. 8.2 (due Nov 30 09)
49. Sect. 7.5 (due Nov 25 09)
48a. Sect. 7.3 (due Dec 2 09)
48. Sect. 7.3 (due Nov 25 09)
(Modified 9 AM Nov 20.)
47. Sect. 7.1 (due Nov 23 09)
46a. Algebra (due Nov 30 09)
(Updated 10:15 PM Nov 22 and 3:00 AM Nov 23)
46. Algebra (due Nov 20 09)
45. Sect. 7.2 (due Nov 20 09)
44a. Sect. 7.1 (due Nov 30 09)
(Solution of example slightly changed 10:00 AM Nov 26)
44. Sect. 7.1 (due Nov 20 09)
(Updated Nov 14.)
43. Sect. 6.1-6.2 (due Nov 18 09)
42. Sect. 6.5 (due Nov 23 09)
41. Sect. 6.5 (due Nov 18 09)
Comment added Nov 14.
40a. Sect. 5.5 (due Nov 13 09)
(Slightly updated 9 PM Nov 12)
40. Sect. 5.5 (due Nov 9 09)
39. Sect. 6.4 (due Nov 13 09)
38. Sect. 6.3 (due Nov 12 09)
37b. Sect. 6.3 (due Nov 30 09)
37a. Sect. 6.3 (due Nov 18 09)
37. Sect. 6.3 (due Nov 9 09)
36. Sect. 5.7 (due Nov 9 09)
35. Sect. 5.5 (due Nov 2 09)
34. Sect. 5.7 (due Oct 30 09)
33. Sect. 5.1-5.2 (due Oct 30 09)
Corrected 9:30 PM Oct 28
32. Sect. 5.6 (due Oct 28 09)
31. Sect. 5.5 (due Oct 26 09)
30a. Sect. 5.4-5.5 (due Oct 30 09)
30. Sect. 5.4-5.5 (due Oct 26 09)
29. Sect. 5.3 (due Oct 23 09)
28. Sect. 5.2 (due Oct 26 09)
27. Sect. 5.2 (due Oct 23 09)
26.Sect. 5.2 (due Oct 21 09)
25. Sect. 5.1 (due Oct 21 09)
24a. Sect. 5.1 (due Oct 23 09)
24. Sect. 5.1 (due Oct 19 09)
23. Sect. 4.7 (due Oct 12 09)
22a. Sect. 4.4-4.5 (due Oct 14 09)
22. Sect. 4.4-4.5 (due Oct 9 09)
21a. Sect. 4.6 (due Oct 14 09)
21. Sect. 4.6 (due Oct 9 09)
20. Sect. 4.6 (due Oct 7 09)
19. Sect. 4.5 (due Oct 5 09)
18b. Sect. 3.3-4.2 (due Oct 19 09)
18a. Sect. 4.2 (due Oct 9 09)
18. Sect. 4.2 (due Oct 2 09)
17a. Sect. 4.5 (due Oct 7 09)
17. Sect. 4.5 (due Oct 2 09)
16. Sect. 4.4 (due Sep 30 09)
15. Sect. 4.4 (due Sep 28 09)
14a. Sect. 4.2 (due Oct 2 09)
14. Sect. 4.2 (due Sep 25 09)
13b. Sect. 3.5-3.6 (due Oct 5 09)
13a. Sect. 3.5-3.6 (due Sep 30 09)
13. Sect. 3.5-3.6 (due Sep 25 09)
12. Sect. 3.6 (due Sep 23 09)
11. Sect. 3.5 (due Sep 18 09)
10. Sect. 3.5 (due Sep 16 09)
9. Algebra Test Redo (for Sep 21 09)
8. Sect. 3.4 (due Sep 14 09
7. Sect. 3.4 (due Sep 14 09)
6. Sect. 3.4 (due Sep 11 09)
5e. Sect. 3.3 (due Oct 5 09)
Slightly updated (comment added) Oct 1 09)
5d. Sect. 3.3 (due Sep 30 09)
5c. Sect. 3.3 (due Sep 18 09)
5b. Sect. 3.3 (due Sep 16 09)
5a. Sect. 3.3 (due Sep 16 09)

5. Sect. 3.3 (due Sep 9 09)
4. Sect. 3.2 (due Sep 4 09)
3a. Sect. 3.1 (due Sep 11 09)
3. Sect. 3.1 (due Sep 2 09)
2a. Sect. 3.1 (due Sep 4 09)
2. Sect. 3.1 (due Aug 31 09)
1. Sect. 3.1 (due Aug 28 09)
0a. Policies (due Sep 28 09)
0. Policies (due Sep 21 09)

Write to your instructor laetsch@math.arizona.edu