1.   Determine the next three terms of the sequence 8, 13, 23, 38, 58, .
    A. 83, 113, 148 B. 88, 133, 138
    C. 78, 108, 133 D. 73, 93, 108
    Hint

  2.   What is used to show that an assumption is false?
    A. counterexample B. conjecture
    C. pattern D. inductive reasoning
    Hint

  3.   What is the next series of triangles in the sequence below?
   
    A.
    B.
    C.
    D.
    Hint

  4.   Find the next three terms of the sequence.
2, 5, 4, 7, 6,..
    A. 10, 13,12 B. 8, 10, 12
    C. 9, 8, 11 D. 9, 12, 15
    Hint

  5.   One possible counterexample for the statement ''All fruits taste sweet'' is ________.
    A. Watermelons B. Oranges
    C. Lemons D. Plums
    Hint



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