Variable expressions Worksheet

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

1 a.   rs – 8, when r = 4 and s = 10
   
 
 
 
 
1 b.   v + 8, when v = 9
   
 
 
 
 
2 a.   w3, when w = 8
   
 
 
 
 
2 b.   y + 2, when y = –4
   
 
 
 
 
3 a.   k – 2 + s, when k = 8 and s = –7
   
 
 
 
 
3 b.   r5, when r = 4
   
 
 
 
 
4 a.   y3, when y = 1
   
 
 
 
 
4 b.   v3, when v = 8
   
 
 
 
 
5 a.   g – 7, when g = 10
   
 
 
 
 
5 b.  
2 , when w = 8
w
   
 
 
 
 
Page 2

Answer Key

1 a.  -14

 
1 b.  17

 
2 a.  512

 
2 b.  -2

 
3 a.  -1

 
3 b.  1024

 
4 a.  1

 
4 b.  512

 
5 a.  3

 
5 b.  1/4

 


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