Variable expressions Worksheet

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

1 a.   2 k x, when k = 1 and x = 7
   
 
 
 
 
1 b.  
s , when s = 3
9
   
 
 
 
 
2 a.   t2, when t = 3
   
 
 
 
 
2 b.   k + 3 + z, when k = 2 and z = 0
   
 
 
 
 
3 a.   as – 6, when a = –1 and s = 2
   
 
 
 
 
3 b.   p3, when p = –3
   
 
 
 
 
4 a.   u + y + 2, when u = 7 and y = –10
   
 
 
 
 
4 b.  
u , when u = –7
3
   
 
 
 
 
5 a.  
5 , when n = 10
n
   
 
 
 
 
5 b.   n5, when n = 0
   
 
 
 
 
Page 2

Answer Key

1 a.  14

 
1 b.  1/3

 
2 a.  9

 
2 b.  5

 
3 a.  -9

 
3 b.  -27

 
4 a.  -1

 
4 b.  -2 1/3

 
5 a.  1/2

 
5 b.  0

 


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