Variable expressions Worksheet

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

1 a.  
7 z  , when z = 10 and v = 10
v2
   
 
 
 
 
1 b.  
5 – 6 z  , when z = 4
6
   
 
 
 
 
2 a.  
2 s  , when s = 8
–1
   
 
 
 
 
2 b.  
p – 1  , when p = –3
6
   
 
 
 
 
3 a.  
5 b  , when b = –4 and c = 8
c
   
 
 
 
 
3 b.   (9 z – 6)2, when z = –4
   
 
 
 
 
4 a.  
1 – 7 y  , when y = 10
9
   
 
 
 
 
4 b.  
k – (–1)  , when k = –2
7
   
 
 
 
 
5 a.  
w – (–7)  , when w = –1
4
   
 
 
 
 
5 b.   1(10 s – 4), when s = –10
   
 
 
 
 
Page 2

Answer Key

1 a.  7/10

 
1 b.  -3 1/6

 
2 a.  -16

 
2 b.  -2/3

 
3 a.  -2 1/2

 
3 b.  1764

 
4 a.  -7 2/3

 
4 b.  -1/7

 
5 a.  1 1/2

 
5 b.  -104

 


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