Variable expressions Worksheet

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

1 a.  
w – 1.8  , when w = –3.8
–2.7
   
 
 
 
 
1 b.  
d – (–3)  , when d = –3.9
–7
   
 
 
 
 
2 a.   (–2 r + (–2))2, when r = –4.1
   
 
 
 
 
2 b.   (–5.5 d – (–2))3, when d = –5.9
   
 
 
 
 
3 a.  
x – (–1)  , when x = 5.8
3.3
   
 
 
 
 
3 b.  
z – (–7.6)  , when z = –4.3
4
   
 
 
 
 
4 a.  
d – 6.6  , when d = –2.6
7
   
 
 
 
 
4 b.   (–5.7 + (–2.5) q)3, when q = –7.9
   
 
 
 
 
5 a.  
p – 4.2  , when p = 4.4
7.8
   
 
 
 
 
5 b.   (4.9 – (–4.4) t)2, when t = –9.2
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  2.074

 
1 b.  0.129

 
2 a.  38.44

 
2 b.  40885.346125

 
3 a.  2.061

 
3 b.  0.825

 
4 a.  -1.314

 
4 b.  2773.505125

 
5 a.  0.026

 
5 b.  1265.9364

 


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