Variable expressions Worksheet

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

1 a.  
d – (–7)  , when d = 7
3
   
 
 
 
 
1 b.   (–7 x – 10 y)2, when x = 3 and y = 1
   
 
 
 
 
2 a.   (–3 – 2 z)3, when z = –4
   
 
 
 
 
2 b.   –4 n + 9 d + 6, when n = –5 and d = 7
   
 
 
 
 
3 a.  
r – (–4)  , when r = 4
6
   
 
 
 
 
3 b.  
w – (–6)  , when w = –8
10
   
 
 
 
 
4 a.  
p – 4  , when p = –8
9
   
 
 
 
 
4 b.   (7 – 6 n)2, when n = 0
   
 
 
 
 
5 a.  
s – (–1)  , when s = 2
2
   
 
 
 
 
5 b.  
d – 2  , when d = –3
4
   
 
 
 
 
Page 2

Answer Key

1 a.  4 2/3

 
1 b.  961

 
2 a.  125

 
2 b.  89

 
3 a.  1 1/3

 
3 b.  -1/5

 
4 a.  -1 1/3

 
4 b.  49

 
5 a.  1 1/2

 
5 b.  -1 1/4

 


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