Variable expressions Worksheet

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

1 a.   (9 c – 3)2, when c = 4
   
 
 
 
 
1 b.   (6 u + 6)2, when u = 7
   
 
 
 
 
2 a.  
8 y  , when y = 1 and v = 5
v
   
 
 
 
 
2 b.  
u – 2  , when u = 3
5
   
 
 
 
 
3 a.  
v – 4  , when v = 8
8
   
 
 
 
 
3 b.  
b – 2  , when b = 9
9
   
 
 
 
 
4 a.   6(5 + 7 p), when p = 10
   
 
 
 
 
4 b.   (3 + 6 c)2, when c = 10
   
 
 
 
 
5 a.   7(8 – 9 g), when g = 6
   
 
 
 
 
5 b.   (8 + 8 k)3, when k = 9
   
 
 
 
 
Page 2

Answer Key

1 a.  1089

 
1 b.  2304

 
2 a.  1 3/5

 
2 b.  1/5

 
3 a.  1/2

 
3 b.  7/9

 
4 a.  450

 
4 b.  3969

 
5 a.  -322

 
5 b.  512000

 


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