# Lisa Nix - MTH 120

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**Below are PDF versions of the keys for your tests that have been taken and returned. There is often more than one version to each test. They usually have the same problems, but they are in a different order. I have only posted the key for one version, so if you took a different version than the one for which the key is posted, look around to find the problems you want to see. **

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**Test 1 - Key**

**Test 2 - Key**

**Test 3 - Key**

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__QUIZZES__

Quiz 1 - in MLP - due 7/2 at 7:30 am

Quiz 2 - due at beginning of class 7/2

Quiz 3 - due 7/6

Quiz 4 -** **

Quiz 5 -

Quiz 6 -

Quiz 7 -

Quiz 8 -

Quiz 9 -

Quiz 10 -

Quiz 11 -

Quiz 12 -

Quiz 13 -

Quiz 14 -

Quiz 15 -

**Practice Tests- to help you study for tests**

Practice Test #1 -

My work for Practice Test #1

Practice Test #2

My work for Practice Test #2 *I made a mistake on #4. Answer should be (-40)/(2x-3)^5*

Practice Test #3*- 1-29 No Derive*

My work for Practice Test #3 *There is a mistake in my work on #50. Should be fxy= 4-2x-2y and because of that, D for (0, 4) and D for (4/3, 4/3) have an incorrect number for fxy. The final answers for D are correct though, for all critical values.*

Practice Test #3 Addition

Practice Exam w/ answers Their answer to problem 23 is incorrect. It should be 3x^(5/3)+3lnx-x^4-2x+C.

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__POWER POINT Slides (by section)__

1.2

2.2

2.3

3.1

3.3

3.4

4.1

4.2

### 4.3

4.4

4.5

5.1

5.2

5.3

5.4

6.1

6.2

7.1

7.2

7.3/7.4

7.5

8.2

9.1

9.2

9.3

9.4

9.6

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