Variable expressions Worksheet

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

1 a.   (9 r – 6)5, when r = 8
   
 
 
 
 
1 b.  
p – 8  , when p = 6
10
   
 
 
 
 
2 a.  
q – 2  , when q = 2
2
   
 
 
 
 
2 b.  
g – 2  , when g = 8
9
   
 
 
 
 
3 a.  
y – 2  , when y = 6
4
   
 
 
 
 
3 b.  
s – 2  , when s = 7
5
   
 
 
 
 
4 a.  
u – 4  , when u = 10
8
   
 
 
 
 
4 b.   (7 y + 7)3, when y = 7
   
 
 
 
 
5 a.  
b – 6  , when b = 1
3
   
 
 
 
 
5 b.  
p – 3  , when p = 2
5
   
 
 
 
 
Page 2

Answer Key

1 a.  1252332576

 
1 b.  -1/5

 
2 a.  0

 
2 b.  2/3

 
3 a.  1

 
3 b.  1

 
4 a.  3/4

 
4 b.  175616

 
5 a.  -1 2/3

 
5 b.  -1/5

 


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