1.   Which way does the graph of y = –2x2 open?
    A. left B. up
    C. right D. down
    Hint

  2.   Which table shows a quadratic relationship?
    A.
    B.
    C.
    D.
    Hint

  3.   Which equation is in the same family as y = x2?
    A. y = x3 – 3 B. y = x2 – 3
    C. y = 2x – 3 D. y = 2x2 – 3
    Hint

  4.   Find a quadratic equation for the table.
   
    A. y = 5x2 – 2 B. y = 5x2 – 1
    C. y = x2 – 5 D. y = 5x2 + 1
    Hint

  5.   What is the reciprocal of ?
    A. B.
    C. D.
    Hint

  6.   Find which equation does not represent a reciprocal relationship.
    A. ab = 3 B. –6 = ef
    C. D.
    Hint

  7.   Which differences are constant in a cubic equation?
    A. third B. second
    C. first D. fourth
    Hint

  8.   How many counterexamples are needed to prove a conjecture wrong?
    A. 4 B. 3
    C. 1 D. 2
    Hint



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