1.   What is a conjecture?
    A. an educated guess that hasn't been proved yet
    B. a ''shot in the dark'' guess that hasn't been proved yet
    C. an educated guess that has been proved
    D. a ''shot in the dark'' guess that has been proved
    Hint

  2.   What are the second differences in the y-values?
   
    A. –1 B. 0
    C. 2 D. 1
    Hint

  3.   What type of relationship does the equation have if its first differences are constant?
    A. cubic B. constant
    C. quadratic D. linear
    Hint

  4.   What type of relationship does the equation have if its second differences are constant?
    A. linear B. quadratic
    C. constant D. cubic
    Hint

  5.   Find the values for m and n which the conjecture (m – n)2 = m2 – n2 is false.
    A. m = 1, n = 2 B. m = 1, n = 1
    C. m = 1, n = 0 D. m = –2, n = 0
    Hint



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