1.   Order the steps for writing an indirect proof.
   
    A. 2, 3, 1 B. 2, 1, 3
    C. 1, 2, 3 D. 3, 2, 1
    Hint

  2.   Which problem-solving strategy is used in indirect proofs?
    A. working backward B. decision-making
    C. draw a diagram D. guess and check
    Hint

  3.   Which assumption would you make to start an indirect proof of the statement Bob took the dog for a walk
    A. Bob does not have to take the dog for a walk.
    B. Bob did not take the dog for a walk.
    C. Bob may take the dog for a walk.
    D. Bob will take the dog for a walk.
    Hint

  4.   State the assumption that could be used to start an indirect proof of the statement If 2n < 6, then n < 3.
    A. n > 3 B. n < 3
    C. n = 3 D. n3
    Hint

  5.   The type of reasoning that uses a number of examples to arrive at a conclusion is __________ .
    A. inductive reasoning B. contradictory reasoning
    C. exemplary reasoning D. deductive reasoning
    Hint