Variable expressions Worksheet

Find the value of the expressions for the given values of the variable(s).

1 a.   n3, when n = 8
   
 
 
 
 
1 b.   7 p, when p = 10
   
 
 
 
 
2 a.   v6, when v = 7
   
 
 
 
 
2 b.  
b – 7  , when b = 1
3
   
 
 
 
 
3 a.   r + c, when r = 2 and c = 9
   
 
 
 
 
3 b.  
v – 6  , when v = 4
6
   
 
 
 
 
4 a.   g + x + 3, when g = 7 and x = 6
   
 
 
 
 
4 b.   k – 8 + b, when k = 4 and b = 1
   
 
 
 
 
5 a.   d3, when d = 4
   
 
 
 
 
5 b.  
d – 7  , when d = 6
5
   
 
 
 
 
Page 2

Answer Key

1 a.  512

 
1 b.  70

 
2 a.  117649

 
2 b.  -2

 
3 a.  11

 
3 b.  -1/3

 
4 a.  16

 
4 b.  -3

 
5 a.  64

 
5 b.  -1/5

 


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