Variable expressions Worksheet

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

1 a.  
2 – p  , when p = 5
5
   
 
 
 
 
1 b.  
r – 5  , when r = 5
7
   
 
 
 
 
2 a.   (5 – 7 y)3, when y = 1
   
 
 
 
 
2 b.  
c – 7  , when c = 8
4
   
 
 
 
 
3 a.  
v – 5  , when v = 6
3
   
 
 
 
 
3 b.  
b – 6  , when b = 1
2
   
 
 
 
 
4 a.  
4 v  , when v = 1
4
   
 
 
 
 
4 b.   (6 + 3 x)2, when x = 3
   
 
 
 
 
5 a.  
b – 2  , when b = 7
6
   
 
 
 
 
5 b.   (7 w – 2 p)2, when w = 10 and p = 10
   
 
 
 
 
Page 2

Answer Key

1 a.  -3/5

 
1 b.  0

 
2 a.  -8

 
2 b.  1/4

 
3 a.  1/3

 
3 b.  -2 1/2

 
4 a.  1

 
4 b.  225

 
5 a.  5/6

 
5 b.  2500

 


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