05 August 2012

Answer Indices and Expanding Algebraic Expressions

Answer

1.  m3+5 = m8 

2.  k4 + 8 = k12

3.   ( 32 )2=  32x2 = 34 

4.  ( – 6n3 )4 ÷ (2n2)3 
= (– 6)4n12  ÷ 23n6
= (1296 ÷ 8)   n12-6  
= 162n6

5.  b2 / 2a
 
6.   32  a2c6                                                                        
7.   p5

8.   1                                                             

9.    m = 3                          

10.  x = 3                            

11.      (a)  3m + 18                                     
           (b)   -8 + 12x - 20r                                   
                                               
12.       (a)     y2- 8y + 12                                                      
            (b)     p2-3p - 10                                                
                                               
13.      (a)     1 - 8n + 16n2                                        
           (b)     5(2m2  + 12m + 9 ) = 10m2  + 60m + 45

 

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