Variable expressions Worksheet

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

1 a.   (7 x – 8 d)2, when x = 4 and d = 1
   
 
 
 
 
1 b.  
g – 5  , when g = 1
7
   
 
 
 
 
2 a.  
p – 4  , when p = 8
7
   
 
 
 
 
2 b.  
v – 7  , when v = 1
6
   
 
 
 
 
3 a.  
n – 5  , when n = 9
2
   
 
 
 
 
3 b.  
x – 3  , when x = 1
8
   
 
 
 
 
4 a.   (7 t – 5 d)2, when t = 6 and d = 6
   
 
 
 
 
4 b.   (5 + 2 u)3, when u = 4
   
 
 
 
 
5 a.   3(5 b – 10), when b = 2
   
 
 
 
 
5 b.  
s – 3  , when s = 6
2
   
 
 
 
 
Page 2

Answer Key

1 a.  400

 
1 b.  -4/7

 
2 a.  4/7

 
2 b.  -1

 
3 a.  2

 
3 b.  -1/4

 
4 a.  144

 
4 b.  2197

 
5 a.  0

 
5 b.  1 1/2

 


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