Variable expressions Worksheet

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

1 a.   (10 a – (–1))2, when a = 5
   
 
 
 
 
1 b.   (9 d + 8)2, when d = 6
   
 
 
 
 
2 a.  
3  , when x = –2
3 – x
   
 
 
 
 
2 b.  
3 yn  , when y = 10 and n = 2
10
   
 
 
 
 
3 a.  
z – 3  , when z = –3
10
   
 
 
 
 
3 b.  
c – (–7)  , when c = –9
8
   
 
 
 
 
4 a.   (–6 q – 6 g)2, when q = –2 and g = 7
   
 
 
 
 
4 b.  
d – (–6)  , when d = –10
5
   
 
 
 
 
5 a.  
v – 6  , when v = 5
8
   
 
 
 
 
5 b.  
k – 8  , when k = –5
6
   
 
 
 
 
Page 2

Answer Key

1 a.  2601

 
1 b.  3844

 
2 a.  3/5

 
2 b.  2 4/5

 
3 a.  -3/5

 
3 b.  -1/4

 
4 a.  900

 
4 b.  -4/5

 
5 a.  -1/8

 
5 b.  -2 1/6

 


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