Variable expressions Worksheet

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

1 a.   1(8 – (–6.7) q), when q = 10.9
   
 
 
 
 
1 b.   –7 s – (–1.9) y – 2, when s = –6 and y = 1
   
 
 
 
 
2 a.  
q – 7.2  , when q = –8.6
–7.8
   
 
 
 
 
2 b.  
q – (–6.6)  , when q = –7.3
4.5
   
 
 
 
 
3 a.  
7 x  , when x = 6.4
6
   
 
 
 
 
3 b.  
v – 4  , when v = 10.3
–1
   
 
 
 
 
4 a.  
c – 2  , when c = 10.4
–1.2
   
 
 
 
 
4 b.  
p – (–3)  , when p = 0.3
–4.2
   
 
 
 
 
5 a.   (6 w + 4.1)2, when w = 3.9
   
 
 
 
 
5 b.  
g – (–0.8)  , when g = –7.6
3
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  81.03

 
1 b.  41.9

 
2 a.  2.026

 
2 b.  -0.156

 
3 a.  7.467

 
3 b.  -6.3

 
4 a.  -7

 
4 b.  -0.786

 
5 a.  756.25

 
5 b.  -2.267

 


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