# MAT 1311.01, College Algebra (M-F 8:00-11:00), Summer 3, 2015

### 10. Test 2 Key

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ItemFilenameURL for downloadHow I will refer to this file during the course

ItemLinknameURL for viewingHow I will refer to this file during the course
4Complete Algebra Texthttp://tutorial.math.lamar.edu/Classes/Alg/Alg.aspxText
5Algebra Practice Problems with Solutionshttp://tutorial.math.lamar.edu/Problems/Alg/Alg.aspxPractice Problems
6Alg_Complete_Solutions.pdfNot Needed (the solutions are available as you view link 5Solutions

## Homework Assignments

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HW1:   Linear Equations, Part 1 (Monday, 6/1)

On the author's webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Example 1 a

On the practice-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1,2 (notice that the solutions are there also).

If you need a reminder of the simplifying skills needed for these equations, try theses problems:
On the author's webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Example 1 a

On the practice-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1,2 (notice that the solutions are there also).
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HW2:   Linear Equations, Part 2 (Tuesday, 6/2)

On the author's webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Example 1 b

On the practice-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problem 3 (notice that the solutions are there also).

On the assignment-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-7 . (Solutions are here)
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HW3:   Factoring, Part 1 and Linear Equations, Part 3 (Wednesday, 6/3)

On the author's Polynomials webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 2a - 2e, 3a

On the Polynomials practice-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 4-7 (notice that the solutions are there also).

On the author's webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Example 1c, 1d, 2a, 2b

On the practice-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 5,6 (notice that the solutions are there also).

On the assignment-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 8-12 . (Solutions are here)
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HW4:   Simplifying Rational Expressions and Factoring, Part 2 (Thursday, 6/4)

On the author's Factoring webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a-c, 3a-g, 4a-b

On the Factoring practice-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-2,7-13,17 (notice that the solutions are there also).

On the author's Rational Expressions webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a,1b,2a,2b

On the Rational Expressions practice-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-6 (notice that the solutions are there also).
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Our first test over HW1-HW4 will be tomorrow, Friday, 6/5
Remember to bring your notes, a study sheet (if you prepared one), and a calculator

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HW5:  Linear Applications and Solving for a Variable (Friday, 6/5)

On the author's Solving for a Variable text webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 5,6

On the practice-problems Solving for a Variable page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 2,3,5 (notice that the solutions are there also).

On the author's Linear Applications text webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 3,4,5,6,7

On the practice-problems Linear Applications page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1,2,3,4  (notice that the solutions are there also).
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HW6:  Linear Equations and their Graphs (Monday 6/8)

On the author's Graphing Lines text webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a-1d,2,3a,3b,5a,5b

On the practice-problems Graphing Lines page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-7,10,11 (notice that the solutions are there also).
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HW7:  Linear Function Applications, Introduction to Integer Exponents, Complex Numbers (Tuesday 6/9)

Do the problems on this handout.
Lecture notes for Thursday's 4/16 class
(Solutions here)

On the author's text webpage on Complex Numbers (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a-c,2a-d,3a-d

On the practice-problems page on Complex Numbers (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-9 (notice that the solutions are there also).

On the author's text webpage on Integer Exponents (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Example 1a-b

On the practice-problems page on Integer Exponents (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-4 (notice that the solutions are there also).
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HW8:  More on Integer Exponents, Quadratic Equations, part 1 (Wednesday 6/10)

On the author's text webpage on Integer Exponents (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Example 1c-f

On the practice-problems page on Integer Exponents (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 5-9 (notice that the solutions are there also).

On the author's text on Quadratic Equations 1 webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a-f, 3

On the practice-problems page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-7 (notice that the solutions are there also).
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HW9:  Quadratic Equations, parts 2 & 3; Graphing Quadratic Equations (Thursday 6/11)

On the author's text on Quadratic Equations 1 webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1g,3,4a-c

On the practice-problems on Quadratic Equations 1 page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 8-9 (notice that the solutions are there also).

On the author's text on Quadratic Equations 2 webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 3a,3b,3c,3f

On the practice-problems on Quadratic Equations 2 page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 9-13 (notice that the solutions are there also).

On the author's text on Graphing Parabolas webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a-c,2a-c

On the practice-problems on Graphing Parabolas page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-7 (notice that the solutions are there also).
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Our second test over HW5-HW9 will be tomorrow, Friday, 6/12
Remember to bring your notes, a study sheet (if you prepared one), and a calculator

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HW10:  Quadratic Equations, Part 3 and Circles (Friday 6/12)

On the author's text on Quadratic Equations 2 webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 3d

On the practice-problems on Quadratic Equations 1 page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 8-12 (notice that the solutions are there also).

On the author's Circles text webpage (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 2a-c,3a-b

On the practice-problems Circles page (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-8 (notice that the solutions are there also).

Here is a brief reminder of how to use the technique of Completing the Square
to find the radius and center of a circle.
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HW11  Functions, Absolute Value Equations and Linear Inequalities (Monday 6/15)

On the practice-problems page on Definition of a Function (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-8 (notice that the solutions are there also).

On the practice-problems page on Graphing Functions (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 4,5 (notice that the solutions are there also).

On the practice-problems page on Combining Functions(here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems  (notice that the solutions are there also).

On the author's text webpage on Absolute Value Equations (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a,1b,1c,2a,2b,3a,3b

On the practice-problems page on Absolute Value Equations (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-4 (notice that the solutions are there also).

On the author's text webpage on Linear Inequalities (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a,1b,2a,2b,2c

On the practice-problems page on Linear Inequalities (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-6 (notice that the solutions are there also).
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HW12  Polynomial and Absolute Value Inequalities (Tuesday 6/16)

On the author's text webpage on Polynomial Inequalities (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1,2,3,4

On the practice-problems page Polynomial Inequalities (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1,2,3,4,6 (notice that the solutions are there also).

On the author's text webpage on Rational Inequalities (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1,2,3

On the practice-problems page Rational Inequalities (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1,2,3 (notice that the solutions are there also).

On the author's text webpage on Absolute Value Inequalities (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a,1b,1c,2a,2b,2c,3a,3b,3c,3d

On the practice-problems page on Absolute Value Inequalities (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-7  (notice that the solutions are there also).

On the author's text webpage on Rational Exponents (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a,1b,1c,1d

On the practice-problems page on Rational Exponents (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-4 (notice that the solutions are there also).

On the author's text webpage on Radicals (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 3a,3b,3c

On the practice-problems page on Radicals (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 8,9 (notice that the solutions are there also).
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HW13  Logarithmic and Exponential Functions, Finance Formulas (Wednesday 6/17)

On the author's text webpage on Logarithms (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 2a-f,4a-d

On the practice-problems page on Logarithms (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-10,13,14,15 (notice that the solutions are there also).

On the author's text webpage on Exponential Equations (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a-d, 2a-e

On the practice-problems page on Exponential Equations (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-9 (notice that the solutions are there also).

Finance Formula Problems 1
Financial Formulas Handout

Do problems 1-18 on  this handout .
Lecture notes from last Spring on this topic
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HW14   Systems of Equations and Variation (Thursday 6/18)

Finance Formula Problems 2
Do problems 16-23 on this handout .

On the author's text webpage on Linear Systems with Two Variables (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1a,1b,2a,2b,3

On the practice-problems page on Linear Systems with Two Variables (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1-6 (notice that the solutions are there also).

On the author's text webpage on Linear Systems with Three Variables (here), try all these problems and make sure you can do them
on a blank sheet of paper:
Examples 1,2

On the practice-problems page on Linear Systems with Three Variables (here), try the problems indicated and make sure you can do them
on a blank sheet of paper:
Problems 1,2 (notice that the solutions are there also).
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Our third and last test over HW11-HW14 will be tomorrow, Friday, 6/19
Remember to bring your notes, a study sheet (if you prepared one), and a calculator

All HW problems on HW11 and HW12 are likely test problems. For HW13, the only Log/Exp Function
questions I might ask are to solve a simple exponential equation.

All the financial problems that were assigned from the handouts are good questions.
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