TEST 3 REVIEW SHEET –QUIZ 12 THROUGH 15.

 Quiz 12  AU11---4.1 AND 4.2

1. Simplify.  x⁸  ·x⁷

2.  Simplify.  x⁸  / x⁷

3.  Simplify.  (a⁸  ·b⁷)· (a⁴  ·b³)

4. (a⁸)²

5. (a⁸  ·b⁷)²  

6. (a⁸  ·b⁷)· (a⁴  ·b³)²

7. COMBINE LIKE TERMS.  9x   -   2x²  +    4x²  +  2x

8. COMBINE LIKE TERMS.  12x   -   2x²  +    32x

9.  COMBINE LIKE TERMS.   9x⁸   -  6x⁴  + 2x²  + 33 + 8x⁷ + 4x²  + 2x +  33

 Quiz 13  AU11---4.3 , 4.4 + 4.5 (EC)

1.  Add:  (2x²   -     4x   +   15) +  (20x²  +    14x   -  14)

2.  Subtract:  (2x²   -     4x   +   15)  -  (20x²   -   14x   -  14)

3.  Multiply.  (6a⁸  ·b⁷)·(3a⁴  ·b³)

4.  Multiply.  (x  + 7)·(x  +  3)

5.  Multiply.  (x  -  7)·(x  +  3)

6.  Multiply.  (x  -  7)·(x   -  3)

7.  EXTRA CREDIT. Section 4.6. Multiply.  (4n  + 7)·(4n  -  7)

Quiz 14  AU11---4.5, 4.6, 4.7

1.  Multiply out and collect like terms .  (x  + 7)·(x  +  7)

2.  Multiply out and collect like terms .  (4n  + 7)·(4n  -  7)

3.  Add.  (2x²y   -     4xy   +   15y) +  (20x²y    +    14xy  -  14y)

4.  Subtract.   (2x²y   -     4xy   +   15y)  -   (20x²y    -    14xy²  -  14y).  Be careful.

5. Divide using long hand division : (x²   + 2x   - 15 ) (x  + 5)

6. Divide: (500x²   + 25x   - 15 ) (5x)

 Quiz 15  AU11---4.8, 5.1 – 5.6

Sec. 4.8

1. Express using positive exponents. 1/x ^-7

2. Simplify. Express with positive exponents in the final answer. 5 ^-8 · 5 ⁴.        

3. Simplify. Express with positive exponents in the final answer.

4.  Convert to decimal notation. 8.13x10⁴.  Hint: Do you move the decimal point 4 places to the right or 4 places to the left?  If you can answer this question you should get the problem right.

5.  Convert to decimal notation. 8.92x10^-3.  Hint: Do you move the decimal point 3 places to the right or 3 places to the left?  If you can answer this question you should get the problem right.

6. Convert to scientific notation. 2100   Hint. You can write 2100 as 2100.  Do you move the decimal point 3 places to the right or 3 places to the left?  If you can answer this question you will make a big step toward doing the problem.

7. Convert to scientific notation. 0.0814 

Sec. 5.1

8.  Factor. 6x²   +   3x   -  15 .

9.  Factor. x·(x + 5) + 3·(x + 5). Hint: What factor in parentheses ( ) is common to both terms?

                                                        Sec. 5.2

10.   Factor completely. x²   + 9x   +  20 . Hint.  What two numbers multiply to 20 and add to 9?

11.   Factor completely.  x²   -  5x   +  6 . Hint. What two numbers multiply to 6 and add to 5? Be careful with the signs in your final answer. 

12.  Factor completely.  x²   + 2x   -  8 .

SECTIONS 5.4, 5.5 AND 5.6 WILL BE POSTED AT THIS LINK:
http://www.nvaphysics.com/SessionGrades/math65/au11/quiz15au11.htm.
NOTE: You can also get to this link by going to  this page and clicking the link to ‘FALL '11 MATH 65 QUIZ 15 PART 2’  at the top:
http://www.nvaphysics.com/SessionGrades/math65/onlineQuizzes/imQ11AU0265/RQ14SP06.html
STUDY THE RELATED PRACTICE PROBLEMS ON THE YELLOW PAGES !!
Check back frequently for when the quiz 15 part 2 is completed. Due Monday after vacation at the start of class. Remember Test 3 is Thursday December 1st !!