# MAT 1311.02, College Algebra (T/Th 8:00-9:15), Spring 2014

## Homework Assignments

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HW0:  Read Sections 0.1 and 0.2. 0.1 and 0.2 should be a review of material you already know.
We will work some examples from 0.2 and the first part of 0.3 next class meeting.
Due: Thursday, 1/9
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HW1:  0.2 #'s 15-25, 19-49 odd; 0.3 #'s 1-7 odd; R&S 0.3
Due: Tuesday, 1/14
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HW2:  0.3 #'s 1-47 odd; R&S 0.4
Lecture notes from Tuesday, 1/14
Due: Thursday, 1/16
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HW3:  0.4 #'s 1-57 odd; R&S 0.5
Lecture notes from Thursday, 1/16
Due: Tuesday, 1/21
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HW4:  0.5 1,3,7-11,15-59 odd; R&S 0.6
Lecture notes from Tuesday, 1/21
Here is a good site that both explains and works examples with multiplying polynomials.
Due: Thursday, 1/23
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Our first quiz over HW1-HW3 (0.1-0.4) will be Thursday, 1/23
Remember to bring your study sheet and calculator!
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HW5:  0.6 1-15,25-33 odd; R&S 0.6
Lecture notes from Thursday, 1/23
Extra help if you need it:
Practice problems on factoring or multiplying polynomials
Here is a good site that both explains and works examples with factoring polynomials.
Due: Tuesday, 1/28
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HW6:  0.6 #'s 35-45,55,57; 0.7 #'s 1-19 odd; R&S 0.7
Lecture notes from Tuesday, 1/28
Due: Thursday, 1/30
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HW7:  0.7 #'s 21-43,49; R&S 2.1
Lecture notes from Thursday, 1/30
Due: Tuesday, 2/4
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HW8:  1.1 #'s 1-41 odd; R&S 1.2
Lecture notes from Tuesday, 2/6
Due: Thursday, 2/6
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Our second quiz over HW1-HW3 (0.5-0.7 - HW4-HW7) will be Thursday, 2/7
Remember to bring your study sheet and calculator!
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HW9:  1.2 #'s 3,5,7-11,27-41 odd; R&S 1.3
Lecture notes from Thursday, 2/6
Due: Tuesday, 2/11
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HW10: 1.3 #'s 5-9,15-41 odd; R&S 1.4
Lecture notes from Tuesday, 2/11
Due: Thursday, 2/13
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HW11: 1.3 #'s 43,45,51 (from handout),53,59; R&S 1.4
Lecture notes from Thursday, 2/13
Due: Tuesday, 2/18
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HW12: 1.5 #'s 7-27 odd; R&S 1.5
Lecture notes from Tuesday, 2/18
Due: Thursday, 2/20
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Our third quiz over HW8-HW11 (sections 1.1-1.3) will be Thursday, 2/20
Remember to bring your study sheet and calculator!
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HW13: 2.1 #'s 5-11,17-21 odd; R&S 2.1
Due: Tuesday, 2/25
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HW14: 2.1 #'s 23-43 odd; R&S 2.2
Lecture notes from Tuesday, 2/25
Due: Thursday, 2/27
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HW15: 2.2 #'s 1-11,17-19,27,31,33,35,37
Lecture notes from Thursday, 2/27
Due: Tuesday, 3/4
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HW16: 2.3 #'s 15,19,21; 24. #'s 1-11, 13-21 odd;
Write up graph examples for 5th and 6th degree polynomials like the examples in class today;
Lecture notes from Tuesday, 3/4
Due: Thursday, 3/6
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Our fourth quiz over HW13-HW15 (sections 2.1-2.2) will be Thursday, 3/6
Remember to bring your study sheet and calculator!
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HW17: 3.1 #'s 1-33,43,47 odd; R&S 3.2
Lecture notes from Thursday, 3/06
Due: Tuesday, 3/11
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HW18: 3.2 #'s 3-25,43,45 odd; R&S 3.3
Lecture notes from Tuesday, 3/11
Due: Thursday, 3/13
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HW19: 3.3 #'s 11.13.23.27; R&S 3.4
Good web page for checking your work on the Gaussian Elimination method
HW20: 3.3 #'s 39,41,37; R&S 3.4
Lecture notes from Tuesday, 3/25
Due: Thursday, 3/27
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HW21: 3.4 #'s 5-9,15,17,29,31; Chap 3 Review (pg 250) #31; R&S 4.1
Lecture notes from Thursday, 3/27
Due: Tuesday, 4/1
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Formula for the inverse of a 3x3 matrix.
Do NOT use this on a quiz or homework! I just put it here because a student
asked to see it! When you find the inverse of a 3x3 matrix on our quiz
on Thursday, I want you to use the Gaussian method we used in class.
No credit will be given for using the formula!
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HW22: 3.4 # 55; R&S 5.1
Lecture notes from Tuesday, 4/1
Due: Thursday, 4/3
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Our fifth quiz over HW17-HW22 (sections 3.1-3.4) will be Thursday, 4/2
Remember to bring your study sheet and calculator!
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Some notes on specific things to know for quiz 5:

While you should be able to do any of the assigned homework
problems on sections 3.1-3.4 (HW17-HW22), some problems have
been guaranteed to be on this quiz. I've had several students
ask me to remind them of what I said. Here it is:

Good things to know for tomorrow's quiz:
1. How to add, subtract, and multiply matrices
HW problems 3.1 #'s 15-27, 3.2 #'s 3-17,23,25
Good textbook examples:
examples 1,2,3,4,6 in 3.1
example  1b in 3.1
(from my lecture notes on 3.2 #'s 4,8,almost 8,46)

2. How to solve a 3x3 system of equations using the Gauss-Jordan method
HW problems 3.3 #'s 11,13,23,27,37,39
Good textbook examples:
examples 1,3,4 in 3.3
(from my lecture notes on 3.3 #'s 34,44,40)

3. How to find the inverse of a 2x2 matrix using the formula:
HW problems 3.4 #'s 5-9
Good textbook examples:
example 3 in 3.4
(from my lecture notes on 3.4 # 6)

4  How to solve a 2x2 system of equations with the matrix inverse method:
HW problems 3.4 #'s 29,31
Good textbook examples:
(from my lecture notes on 3.4 # 30)

5. How to find the inverse of a 3x3 matrix using Gaussian Row Operations:
HW problems 3.4 #'s 15,17
Good textbook examples:
example 2 in 3.4
(from my lecture notes on 3.4 # 34)
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HW23  5.1 #'s 1-15,29,31; R&S 5.2
Lecture notes from Thursday, 4/3
Due: Tuesday, 4/8
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HW24: 5.2 #'s 1-25,35-41,49 odds; R&S 5.3
Lecture notes from Tuesday, 4/8
Due: Thursday, 4/10
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HW25: 5.3 #'s 1-21,25,27; R&S 6.1
Lecture notes from Thursday, 4/10
Due: Tuesday, 4/15
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HW26: 6.2 1-21 odd; R&S 62
Lecture notes from Tuesday, 4/15
Due: Thursday, 4/15
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HW27: Handout 1
Lecture notes from Thursday, 4/17
Finance Formulas
Due: Tuesday, 4/22
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HW28: Handout 2
Lecture notes from Tuesday, 4/22
Review Sheet for the final exam
Due: Thursday, 4/24
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solution to problem 10 on handout 2
My Final Exam Schedule (Spring 2014)

If you have questions on any of this, send me an email requesting a time to
meet. I will have many students and will always give first priority to those
who scheduled an appointment!

Note: On all emails for this course, start the subject line out with
MAT1311, followed by whatever else is appropriate. Emails without this
subject line formatting may not be accepted!

The final exam is from 10:00 to Noon on Thursday, May 1st in this room.
Bring your calculator (NOT a phone, ipad, android, or other internet capable device)

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Last updated on ... Feb 20, 2014

Created on ... Jan 30, 2014