Quiz 10  AND 11 AU13---4.8, 5.1 – 5.6

QUIZ 10---NEXT 12 PROBLEMS ON 4.8, 5.1 AND 5.2---IS DUE MONDAY NOVEMBER 25

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 .

QUIZ 11 DUE MONDAY AFTER VACATION

QUIZ 11 ON SECTIONS 5.3, 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
TO GET READY FOR QUIZ 11 FOR FALL’13 , STUDY THE RELATED PRACTICE PROBLEMS ON THE YELLOW PAGE AND THE LINK TO ‘FALL '11 MATH 65 QUIZ 15 PART 2’  at the top.
Check back frequently for when the Quiz 11 is completed. IT WILL BE due Monday after vacation at the start of class.