Variable expressions Worksheet

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

1 a.  
q – 4  , when q = 9
2
   
 
 
 
 
1 b.   2(3 – 9 d), when d = 2
   
 
 
 
 
2 a.  
b – (–6)  , when b = 4
5
   
 
 
 
 
2 b.  
–4  , when k = 6
10 k
   
 
 
 
 
3 a.   8(2 + 2 a), when a = 7
   
 
 
 
 
3 b.   (–4 + 3 g)2, when g = –9
   
 
 
 
 
4 a.  
y – (–6)  , when y = 1
10
   
 
 
 
 
4 b.   (6 w + 1)2, when w = 7
   
 
 
 
 
5 a.   (–6 – 10 z)3, when z = –6
   
 
 
 
 
5 b.  
g – (–7)  , when g = –2
5
   
 
 
 
 
Page 2

Answer Key

1 a.  2 1/2

 
1 b.  -30

 
2 a.  2

 
2 b.  -1/15

 
3 a.  128

 
3 b.  961

 
4 a.  7/10

 
4 b.  1849

 
5 a.  157464

 
5 b.  1

 


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