Variable expressions Worksheet

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

1 a.  
q – 7  , when q = 3
2
   
 
 
 
 
1 b.   (9 z – 6)2, when z = 4
   
 
 
 
 
2 a.  
5  , when s = 5
8 s
   
 
 
 
 
2 b.   (5 t – 9 c)2, when t = 9 and c = 9
   
 
 
 
 
3 a.  
p – 2  , when p = 5
7
   
 
 
 
 
3 b.   6(8 + 4 d), when d = 9
   
 
 
 
 
4 a.  
r – 6  , when r = 5
7
   
 
 
 
 
4 b.  
r – 7  , when r = 2
3
   
 
 
 
 
5 a.   (4 + 5 d)2, when d = 2
   
 
 
 
 
5 b.  
x – 4  , when x = 3
10
   
 
 
 
 
Page 2

Answer Key

1 a.  -2

 
1 b.  900

 
2 a.  1/8

 
2 b.  1296

 
3 a.  3/7

 
3 b.  264

 
4 a.  -1/7

 
4 b.  -1 2/3

 
5 a.  196

 
5 b.  -1/10

 


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