Variable expressions Worksheet

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

1 a.   7(4 + 8 b), when b = 0
   
 
 
 
 
1 b.   (10 g + 1)3, when g = –5
   
 
 
 
 
2 a.  
p – (–3)  , when p = –5
10
   
 
 
 
 
2 b.  
s – 8  , when s = 8
4
   
 
 
 
 
3 a.  
c – (–7)  , when c = –1
8
   
 
 
 
 
3 b.  
k – (–6)  , when k = 2
2
   
 
 
 
 
4 a.  
q – (–4)  , when q = –5
10
   
 
 
 
 
4 b.  
9 g + v  , when g = –2
4
   
 
 
 
 
5 a.   (–1 z – 6 w)2, when z = –1 and w = 3
   
 
 
 
 
5 b.  
u – 2  , when u = –7
8
   
 
 
 
 
Page 2

Answer Key

1 a.  28

 
1 b.  -117649

 
2 a.  -1/5

 
2 b.  0

 
3 a.  3/4

 
3 b.  4

 
4 a.  -1/10

 
4 b.  -2 3/4

 
5 a.  289

 
5 b.  -1 1/8

 


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