QUIZ 3: Exponents and special products

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MQ5 QUEST 3A  (answers below)                                                                                 Mr. Gary Jaye
 
INSTRUCTIONS:  Express all answers in simplest form and SHOW ALL WORK.
 

In 1 to 4, simplify and express without negative exponents. SHOW STEPS. [4 each] 
1.  
 
2.  
 
3.  
 
4.  (-2x5y4)3 
 

 

 

In 5 and 6, simplify and express without a DENOMINATOR.   [3 each] 
5.  

 

6.  
 

 

In 7 to 9, express as a power of 2.   [2 each] 
7. [(16)(64)] 
 

 

8.  
 
9. 1 (one) 
 

 

 

10. Solve for n algebraically:    [4 pts] 
 
11. (2x - y)0 is not defined when x equals _____ . [2 pts] 
 

 

In 12 to 15, factor completely. [4 each]
12. 24x - 6x3 
 
13. 18x3y - 60x2y + 50xy 
 
14. 3x4 - 48 
 
15. -8x2 + 56x - 98 
 

ANSWERS: 1. x6/y9 2. 25y8/(4x6) 3. x4/(16y6) 4. -8x15y12 5. 3(5-1x-2) 6. 16y4x -4 7. 250 8. 2-12 9. 20
10. n = 3 11. x = y/2 12. -6x(x + 2)(x - 2) 13. 2xy(3x - 5)2 14. 3(x2 + 4)(x + 2)(x - 2)  15. -2(2x - 7)2  

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