

1. 
Determine the next three terms of the sequence 8, 13, 23, 38, 58, … . 


A. 
73, 93, 108 
B. 
88, 133, 138 


C. 
83, 113, 148 
D. 
78, 108, 133 


Hint 


2. 
Draw the next figure in the pattern. 





A. 

B. 



C. 

D. 



Hint 


3. 
What is used to show that an assumption is false? 


A. 
conjecture 
B. 
pattern 


C. 
counterexample 
D. 
inductive reasoning 


Hint 


4. 
Based upon the table below, Mari concluded that when one of two addends is negative, the sum is always negative. Find a counterexample for her conjecture. 





A. 
13 + 5 
B. 
18 + (10) 


C. 
8 + 7 
D. 
5 + (5) 


Hint 


5. 
Draw the next figure in the pattern. 





A. 

B. 



C. 

D. 



Hint 


