Variable expressions Worksheet

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

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

Answer Key

1 a.  -5/7

 
1 b.  -132651

 
2 a.  1 2/3

 
2 b.  3 9/10

 
3 a.  110592

 
3 b.  -148877

 
4 a.  -1

 
4 b.  1/2

 
5 a.  2/5

 
5 b.  -1/10

 


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