Variable expressions Worksheet

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

1 a.   –5 v – 10 z + 2, when v = 9 and z = 2
   
 
 
 
 
1 b.  
7 ga  , when g = 1 and a = 6
2
   
 
 
 
 
2 a.  
q – (–3)  , when q = 6
10
   
 
 
 
 
2 b.   (7 g – 3 b)2, when g = –8 and b = 7
   
 
 
 
 
3 a.  
x – (–7)  , when x = –6
5
   
 
 
 
 
3 b.  
u – 8  , when u = –6
8
   
 
 
 
 
4 a.  
d – 5  , when d = –3
7
   
 
 
 
 
4 b.  
q – (–3)  , when q = 3
9
   
 
 
 
 
5 a.   –7 y + 5 r + 6, when y = 0 and r = 4
   
 
 
 
 
5 b.  
g – 1  , when g = –6
5
   
 
 
 
 
Page 2

Answer Key

1 a.  -63

 
1 b.  1/2

 
2 a.  9/10

 
2 b.  5929

 
3 a.  1/5

 
3 b.  -1 3/4

 
4 a.  -1 1/7

 
4 b.  2/3

 
5 a.  26

 
5 b.  -1 2/5

 


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